{
  "schemaVersion": "b18.sft-contexts.r1",
  "cases": [
    {
      "id": "architecture-fit",
      "scenarioId": "architecture",
      "query": "Can the lobby sofa fit through the front door?",
      "command": null,
      "strategies": [
        {
          "strategy": "FULL_SCENE",
          "sceneRevision": {
            "id": "sha256:71880593b846615ca053fbdbfa272d37768a7f1ba74e9187f4b4dabc8b9a8248",
            "contentId": "sha256:58a75ea1d736e5c3922fd123a48b5559106b3c98b950e3550c9862273fb8f6c2",
            "branch": "MAIN"
          },
          "compilation": {
            "status": "COMPILED",
            "source": "Can the lobby sofa fit through the front door?",
            "normalizedSource": "can the lobby sofa fit through the front door",
            "matchedPattern": "fit-through",
            "command": {
              "kind": "QUERY_FIT",
              "objectId": "sofa",
              "openingId": "front-door",
              "allowRotation": true
            },
            "diagnostics": [],
            "candidates": []
          },
          "contract": {
            "schemaVersion": "sft.context-contract.v1",
            "worldContentId": "sha256:58a75ea1d736e5c3922fd123a48b5559106b3c98b950e3550c9862273fb8f6c2",
            "sceneRevisionId": "sha256:71880593b846615ca053fbdbfa272d37768a7f1ba74e9187f4b4dabc8b9a8248",
            "sceneRevisionBranch": "MAIN",
            "scenarioId": "architecture",
            "source": "Can the lobby sofa fit through the front door?",
            "strategy": "FULL_SCENE",
            "command": {
              "kind": "QUERY_FIT",
              "objectId": "sofa",
              "openingId": "front-door",
              "allowRotation": true
            },
            "solverAuthority": "fit-box-opening-v1",
            "requiredEntityIds": [
              "building",
              "front-door",
              "ground-floor",
              "lobby",
              "sofa",
              "world"
            ],
            "requiredRelationIds": [
              "contains:building:ground-floor",
              "contains:ground-floor:lobby",
              "contains:lobby:front-door",
              "contains:lobby:sofa",
              "contains:world:building"
            ],
            "requiredFrameIds": [
              "world"
            ],
            "requiredMetricFacts": [
              {
                "id": "entity:front-door:bounds",
                "ownerType": "entity",
                "ownerId": "front-door",
                "path": "bounds",
                "precision": "BOUNDED",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:277e70c1878445105e0e72157745c13a7d9b07c55c78debd239327b997492a2c"
              },
              {
                "id": "entity:sofa:bounds",
                "ownerType": "entity",
                "ownerId": "sofa",
                "path": "bounds",
                "precision": "BOUNDED",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:63454df9614285a970e820260f18825dc3092d9e58535fba27a6df352fcc72e3"
              }
            ],
            "requiredSolverCapabilities": [
              "fit-box-opening-v1"
            ],
            "requirements": [
              {
                "code": "FIT_BOUNDS",
                "description": "Object and opening require bounded metric geometry.",
                "entityIds": [
                  "front-door",
                  "sofa"
                ],
                "relationIds": [],
                "metricFactIds": [
                  "entity:front-door:bounds",
                  "entity:sofa:bounds"
                ],
                "solverCapabilities": [
                  "fit-box-opening-v1"
                ],
                "requiredPrecision": "BOUNDED"
              }
            ],
            "missingEvidence": [],
            "authorityBoundary": "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged.",
            "id": "sha256:1ef1ac2b4dde54edef1fe269c3ea39621b5a4dc2493daaa6ee516ede63b9d62e"
          },
          "contextContentId": "sha256:58a75ea1d736e5c3922fd123a48b5559106b3c98b950e3550c9862273fb8f6c2",
          "contextGraph": {
            "entities": [
              {
                "attributes": {},
                "frameId": "world",
                "id": "world",
                "kind": "world",
                "name": "World",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {},
                "bounds": {
                  "frameId": "world",
                  "max": [
                    12000,
                    8000,
                    3200
                  ],
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "precision": "EXACT",
                  "source": "authored",
                  "tolerance": 0,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "building",
                "kind": "building",
                "name": "Prototype Building",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {},
                "bounds": {
                  "frameId": "world",
                  "max": [
                    12000,
                    8000,
                    3000
                  ],
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "precision": "EXACT",
                  "source": "authored",
                  "tolerance": 0,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "ground-floor",
                "kind": "level",
                "name": "Ground Floor",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "routeWidthMm": 1400
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    3500,
                    4000,
                    3000
                  ],
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "precision": "EXACT",
                  "source": "authored",
                  "tolerance": 0,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "lobby",
                "kind": "space",
                "name": "Lobby",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "routeWidthMm": 1200
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    8000,
                    1800,
                    3000
                  ],
                  "min": [
                    3500,
                    0,
                    0
                  ],
                  "precision": "EXACT",
                  "source": "authored",
                  "tolerance": 0,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "corridor",
                "kind": "space",
                "name": "Main Corridor",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "routeWidthMm": 850
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    12000,
                    4000,
                    3000
                  ],
                  "min": [
                    8000,
                    0,
                    0
                  ],
                  "precision": "EXACT",
                  "source": "authored",
                  "tolerance": 0,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "mechanical-room",
                "kind": "space",
                "name": "Mechanical Room",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {},
                "bounds": {
                  "frameId": "world",
                  "max": [
                    100,
                    2150,
                    2100
                  ],
                  "min": [
                    0,
                    1200,
                    0
                  ],
                  "precision": "BOUNDED",
                  "source": "authored",
                  "tolerance": 3,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "front-door",
                "kind": "opening",
                "name": "Front Door",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {},
                "bounds": {
                  "frameId": "world",
                  "max": [
                    8000,
                    1220,
                    2050
                  ],
                  "min": [
                    7900,
                    400,
                    0
                  ],
                  "precision": "BOUNDED",
                  "source": "authored",
                  "tolerance": 3,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "mechanical-door",
                "kind": "opening",
                "name": "Mechanical Door",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "movable": true
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    1500,
                    2900,
                    850
                  ],
                  "min": [
                    600,
                    800,
                    0
                  ],
                  "precision": "BOUNDED",
                  "source": "authored",
                  "tolerance": 5,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "sofa",
                "kind": "object",
                "name": "Lobby Sofa",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "system": "HVAC"
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    10200,
                    2100,
                    1900
                  ],
                  "min": [
                    9000,
                    1000,
                    0
                  ],
                  "precision": "BOUNDED",
                  "source": "authored",
                  "tolerance": 5,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "air-handler",
                "kind": "service",
                "name": "Air Handler",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "requiredDepthMm": 800
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    10800,
                    2800,
                    2200
                  ],
                  "min": [
                    8400,
                    700,
                    0
                  ],
                  "precision": "BOUNDED",
                  "source": "authored",
                  "tolerance": 10,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "air-handler-access",
                "kind": "access-zone",
                "name": "Air Handler Service Zone",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "blocksAccess": true
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    9300,
                    1700,
                    900
                  ],
                  "min": [
                    8500,
                    900,
                    0
                  ],
                  "precision": "BOUNDED",
                  "source": "authored",
                  "tolerance": 5,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "stored-crate",
                "kind": "obstacle",
                "name": "Stored Crate",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "blocksAccess": false
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    11600,
                    1200,
                    700
                  ],
                  "min": [
                    10850,
                    500,
                    0
                  ],
                  "precision": "BOUNDED",
                  "source": "authored",
                  "tolerance": 5,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "clear-storage-bin",
                "kind": "object",
                "name": "Clear Storage Bin",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "frames": [
              {
                "basis": [
                  [
                    1,
                    0,
                    0
                  ],
                  [
                    0,
                    1,
                    0
                  ],
                  [
                    0,
                    0,
                    1
                  ]
                ],
                "id": "world",
                "name": "Fixture world frame",
                "origin": [
                  0,
                  0,
                  0
                ],
                "precision": "EXACT",
                "tolerance": 0,
                "unit": "mm"
              }
            ],
            "id": "architecture-fixture",
            "metadata": {
              "description": "A bounded building scene with openings, route widths, equipment, access zones, and an intentional storage obstruction.",
              "evidenceState": "IMPLEMENTED",
              "tags": [
                "architecture",
                "clearance",
                "service-access"
              ],
              "unit": "mm"
            },
            "name": "Architectural clearance and service-access fixture",
            "relations": [
              {
                "attributes": {},
                "directed": true,
                "from": "world",
                "id": "contains:world:building",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "building"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "building",
                "id": "contains:building:ground-floor",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "ground-floor"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "ground-floor",
                "id": "contains:ground-floor:lobby",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "lobby"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "ground-floor",
                "id": "contains:ground-floor:corridor",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "corridor"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "ground-floor",
                "id": "contains:ground-floor:mechanical-room",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "mechanical-room"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "lobby",
                "id": "contains:lobby:front-door",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "front-door"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "lobby",
                "id": "contains:lobby:sofa",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "sofa"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "mechanical-room",
                "id": "contains:mechanical-room:mechanical-door",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "mechanical-door"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "mechanical-room",
                "id": "contains:mechanical-room:air-handler",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "air-handler"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "mechanical-room",
                "id": "contains:mechanical-room:air-handler-access",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "air-handler-access"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "mechanical-room",
                "id": "contains:mechanical-room:stored-crate",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "stored-crate"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "mechanical-room",
                "id": "contains:mechanical-room:clear-storage-bin",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "clear-storage-bin"
              },
              {
                "attributes": {
                  "minimumClearanceMm": 950,
                  "openingId": "front-door"
                },
                "directed": false,
                "from": "lobby",
                "id": "lobby-front-door-corridor",
                "kind": "opens_into",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "corridor"
              },
              {
                "attributes": {
                  "minimumClearanceMm": 820,
                  "openingId": "mechanical-door"
                },
                "directed": false,
                "from": "corridor",
                "id": "corridor-mechanical-door-room",
                "kind": "opens_into",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "mechanical-room"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "air-handler",
                "id": "services:air-handler:zone",
                "kind": "services",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "air-handler-access"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "air-handler",
                "id": "supported:air-handler:ground-floor",
                "kind": "supported_by",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "ground-floor"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "sofa",
                "id": "supported:sofa:ground-floor",
                "kind": "supported_by",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "ground-floor"
              }
            ],
            "rootEntityId": "world",
            "schemaVersion": "sft.scene.v1"
          },
          "stats": {
            "worldEntityCount": 13,
            "worldRelationCount": 17,
            "contextEntityCount": 13,
            "contextRelationCount": 17,
            "contextFrameCount": 1,
            "serializedBytes": 7870,
            "serializedTokens": 2157,
            "tokenizer": "o200k_base@gpt-tokenizer-4.0.0",
            "entityReductionRatio": 0,
            "relationReductionRatio": 0
          },
          "solverResult": {
            "solver": "fit-box-opening-v1",
            "status": "PASS",
            "precision": "BOUNDED",
            "summary": "Lobby Sofa fits through Front Door under the bounded box-orientation model.",
            "result": {
              "objectId": "sofa",
              "openingId": "front-door",
              "clearanceMm": {
                "min": 84,
                "max": 116
              },
              "objectProjectionMm": [
                {
                  "min": 890,
                  "max": 910
                },
                {
                  "min": 840,
                  "max": 860
                }
              ],
              "openingPlaneMm": [
                {
                  "min": 944,
                  "max": 956
                },
                {
                  "min": 2094,
                  "max": 2106
                }
              ],
              "allowRotation": true
            },
            "trace": [
              {
                "code": "OBJECT_PROJECTIONS",
                "message": "Tested 3 axis-aligned object projection(s).",
                "entityIds": [
                  "sofa"
                ]
              },
              {
                "code": "SIGNED_CLEARANCE",
                "message": "Worst-axis clearance interval: 84.00 to 116.00 mm.",
                "entityIds": [
                  "sofa",
                  "front-door"
                ]
              }
            ],
            "warnings": [
              "This kernel tests bounded axis-aligned box projections; it is not swept-volume furniture routing or mesh collision proof."
            ]
          },
          "validationIssues": [
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity world has semantic state but no metric bounds",
              "entityId": "world"
            }
          ]
        },
        {
          "strategy": "LEXICAL_TOP_K",
          "sceneRevision": {
            "id": "sha256:71880593b846615ca053fbdbfa272d37768a7f1ba74e9187f4b4dabc8b9a8248",
            "contentId": "sha256:58a75ea1d736e5c3922fd123a48b5559106b3c98b950e3550c9862273fb8f6c2",
            "branch": "MAIN"
          },
          "compilation": {
            "status": "COMPILED",
            "source": "Can the lobby sofa fit through the front door?",
            "normalizedSource": "can the lobby sofa fit through the front door",
            "matchedPattern": "fit-through",
            "command": {
              "kind": "QUERY_FIT",
              "objectId": "sofa",
              "openingId": "front-door",
              "allowRotation": true
            },
            "diagnostics": [],
            "candidates": []
          },
          "contract": {
            "schemaVersion": "sft.context-contract.v1",
            "worldContentId": "sha256:58a75ea1d736e5c3922fd123a48b5559106b3c98b950e3550c9862273fb8f6c2",
            "sceneRevisionId": "sha256:71880593b846615ca053fbdbfa272d37768a7f1ba74e9187f4b4dabc8b9a8248",
            "sceneRevisionBranch": "MAIN",
            "scenarioId": "architecture",
            "source": "Can the lobby sofa fit through the front door?",
            "strategy": "LEXICAL_TOP_K",
            "command": {
              "kind": "QUERY_FIT",
              "objectId": "sofa",
              "openingId": "front-door",
              "allowRotation": true
            },
            "solverAuthority": "fit-box-opening-v1",
            "requiredEntityIds": [
              "building",
              "front-door",
              "ground-floor",
              "lobby",
              "sofa",
              "world"
            ],
            "requiredRelationIds": [
              "contains:building:ground-floor",
              "contains:ground-floor:lobby",
              "contains:lobby:front-door",
              "contains:lobby:sofa",
              "contains:world:building"
            ],
            "requiredFrameIds": [
              "world"
            ],
            "requiredMetricFacts": [
              {
                "id": "entity:front-door:bounds",
                "ownerType": "entity",
                "ownerId": "front-door",
                "path": "bounds",
                "precision": "BOUNDED",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:277e70c1878445105e0e72157745c13a7d9b07c55c78debd239327b997492a2c"
              },
              {
                "id": "entity:sofa:bounds",
                "ownerType": "entity",
                "ownerId": "sofa",
                "path": "bounds",
                "precision": "BOUNDED",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:63454df9614285a970e820260f18825dc3092d9e58535fba27a6df352fcc72e3"
              }
            ],
            "requiredSolverCapabilities": [
              "fit-box-opening-v1"
            ],
            "requirements": [
              {
                "code": "FIT_BOUNDS",
                "description": "Object and opening require bounded metric geometry.",
                "entityIds": [
                  "front-door",
                  "sofa"
                ],
                "relationIds": [],
                "metricFactIds": [
                  "entity:front-door:bounds",
                  "entity:sofa:bounds"
                ],
                "solverCapabilities": [
                  "fit-box-opening-v1"
                ],
                "requiredPrecision": "BOUNDED"
              }
            ],
            "missingEvidence": [],
            "authorityBoundary": "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged.",
            "id": "sha256:11b4e27610d90de7c461a132d34d007022f018c24ef93ae097772f0c1943a3e3"
          },
          "contextContentId": "sha256:def67947747051d3b5ee19f64b5560f8261f38ad1dcc233b1499bb9879307377",
          "contextGraph": {
            "schemaVersion": "sft.scene.v1",
            "id": "architecture-fixture-context",
            "name": "Architectural clearance and service-access fixture — context",
            "rootEntityId": "world",
            "frames": [
              {
                "id": "world",
                "name": "Fixture world frame",
                "origin": [
                  0,
                  0,
                  0
                ],
                "basis": [
                  [
                    1,
                    0,
                    0
                  ],
                  [
                    0,
                    1,
                    0
                  ],
                  [
                    0,
                    0,
                    1
                  ]
                ],
                "unit": "mm",
                "precision": "EXACT",
                "tolerance": 0
              }
            ],
            "entities": [
              {
                "id": "world",
                "name": "World",
                "kind": "world",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "building",
                "name": "Prototype Building",
                "kind": "building",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "max": [
                    12000,
                    8000,
                    3200
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "ground-floor",
                "name": "Ground Floor",
                "kind": "level",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "max": [
                    12000,
                    8000,
                    3000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "lobby",
                "name": "Lobby",
                "kind": "space",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "max": [
                    3500,
                    4000,
                    3000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "routeWidthMm": 1400
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "mechanical-room",
                "name": "Mechanical Room",
                "kind": "space",
                "frameId": "world",
                "bounds": {
                  "min": [
                    8000,
                    0,
                    0
                  ],
                  "max": [
                    12000,
                    4000,
                    3000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "routeWidthMm": 850
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "front-door",
                "name": "Front Door",
                "kind": "opening",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    1200,
                    0
                  ],
                  "max": [
                    100,
                    2150,
                    2100
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 3,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "mechanical-door",
                "name": "Mechanical Door",
                "kind": "opening",
                "frameId": "world",
                "bounds": {
                  "min": [
                    7900,
                    400,
                    0
                  ],
                  "max": [
                    8000,
                    1220,
                    2050
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 3,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "sofa",
                "name": "Lobby Sofa",
                "kind": "object",
                "frameId": "world",
                "bounds": {
                  "min": [
                    600,
                    800,
                    0
                  ],
                  "max": [
                    1500,
                    2900,
                    850
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 5,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "movable": true
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "relations": [
              {
                "id": "contains:world:building",
                "kind": "contains",
                "from": "world",
                "to": "building",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:building:ground-floor",
                "kind": "contains",
                "from": "building",
                "to": "ground-floor",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:ground-floor:lobby",
                "kind": "contains",
                "from": "ground-floor",
                "to": "lobby",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:ground-floor:mechanical-room",
                "kind": "contains",
                "from": "ground-floor",
                "to": "mechanical-room",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:lobby:front-door",
                "kind": "contains",
                "from": "lobby",
                "to": "front-door",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:lobby:sofa",
                "kind": "contains",
                "from": "lobby",
                "to": "sofa",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:mechanical-room:mechanical-door",
                "kind": "contains",
                "from": "mechanical-room",
                "to": "mechanical-door",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "supported:sofa:ground-floor",
                "kind": "supported_by",
                "from": "sofa",
                "to": "ground-floor",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "metadata": {
              "unit": "mm",
              "description": "Lexical top-k baseline context",
              "evidenceState": "IMPLEMENTED",
              "tags": [
                "architecture",
                "clearance",
                "service-access",
                "context-resolved"
              ]
            }
          },
          "stats": {
            "worldEntityCount": 13,
            "worldRelationCount": 17,
            "contextEntityCount": 8,
            "contextRelationCount": 8,
            "contextFrameCount": 1,
            "serializedBytes": 4280,
            "serializedTokens": 1192,
            "tokenizer": "o200k_base@gpt-tokenizer-4.0.0",
            "entityReductionRatio": 0.3846153846153846,
            "relationReductionRatio": 0.5294117647058824
          },
          "solverResult": {
            "solver": "fit-box-opening-v1",
            "status": "PASS",
            "precision": "BOUNDED",
            "summary": "Lobby Sofa fits through Front Door under the bounded box-orientation model.",
            "result": {
              "objectId": "sofa",
              "openingId": "front-door",
              "clearanceMm": {
                "min": 84,
                "max": 116
              },
              "objectProjectionMm": [
                {
                  "min": 890,
                  "max": 910
                },
                {
                  "min": 840,
                  "max": 860
                }
              ],
              "openingPlaneMm": [
                {
                  "min": 944,
                  "max": 956
                },
                {
                  "min": 2094,
                  "max": 2106
                }
              ],
              "allowRotation": true
            },
            "trace": [
              {
                "code": "OBJECT_PROJECTIONS",
                "message": "Tested 3 axis-aligned object projection(s).",
                "entityIds": [
                  "sofa"
                ]
              },
              {
                "code": "SIGNED_CLEARANCE",
                "message": "Worst-axis clearance interval: 84.00 to 116.00 mm.",
                "entityIds": [
                  "sofa",
                  "front-door"
                ]
              }
            ],
            "warnings": [
              "This kernel tests bounded axis-aligned box projections; it is not swept-volume furniture routing or mesh collision proof."
            ]
          },
          "validationIssues": [
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity world has semantic state but no metric bounds",
              "entityId": "world"
            }
          ]
        },
        {
          "strategy": "GRAPH_NEIGHBORHOOD",
          "sceneRevision": {
            "id": "sha256:71880593b846615ca053fbdbfa272d37768a7f1ba74e9187f4b4dabc8b9a8248",
            "contentId": "sha256:58a75ea1d736e5c3922fd123a48b5559106b3c98b950e3550c9862273fb8f6c2",
            "branch": "MAIN"
          },
          "compilation": {
            "status": "COMPILED",
            "source": "Can the lobby sofa fit through the front door?",
            "normalizedSource": "can the lobby sofa fit through the front door",
            "matchedPattern": "fit-through",
            "command": {
              "kind": "QUERY_FIT",
              "objectId": "sofa",
              "openingId": "front-door",
              "allowRotation": true
            },
            "diagnostics": [],
            "candidates": []
          },
          "contract": {
            "schemaVersion": "sft.context-contract.v1",
            "worldContentId": "sha256:58a75ea1d736e5c3922fd123a48b5559106b3c98b950e3550c9862273fb8f6c2",
            "sceneRevisionId": "sha256:71880593b846615ca053fbdbfa272d37768a7f1ba74e9187f4b4dabc8b9a8248",
            "sceneRevisionBranch": "MAIN",
            "scenarioId": "architecture",
            "source": "Can the lobby sofa fit through the front door?",
            "strategy": "GRAPH_NEIGHBORHOOD",
            "command": {
              "kind": "QUERY_FIT",
              "objectId": "sofa",
              "openingId": "front-door",
              "allowRotation": true
            },
            "solverAuthority": "fit-box-opening-v1",
            "requiredEntityIds": [
              "building",
              "front-door",
              "ground-floor",
              "lobby",
              "sofa",
              "world"
            ],
            "requiredRelationIds": [
              "contains:building:ground-floor",
              "contains:ground-floor:lobby",
              "contains:lobby:front-door",
              "contains:lobby:sofa",
              "contains:world:building"
            ],
            "requiredFrameIds": [
              "world"
            ],
            "requiredMetricFacts": [
              {
                "id": "entity:front-door:bounds",
                "ownerType": "entity",
                "ownerId": "front-door",
                "path": "bounds",
                "precision": "BOUNDED",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:277e70c1878445105e0e72157745c13a7d9b07c55c78debd239327b997492a2c"
              },
              {
                "id": "entity:sofa:bounds",
                "ownerType": "entity",
                "ownerId": "sofa",
                "path": "bounds",
                "precision": "BOUNDED",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:63454df9614285a970e820260f18825dc3092d9e58535fba27a6df352fcc72e3"
              }
            ],
            "requiredSolverCapabilities": [
              "fit-box-opening-v1"
            ],
            "requirements": [
              {
                "code": "FIT_BOUNDS",
                "description": "Object and opening require bounded metric geometry.",
                "entityIds": [
                  "front-door",
                  "sofa"
                ],
                "relationIds": [],
                "metricFactIds": [
                  "entity:front-door:bounds",
                  "entity:sofa:bounds"
                ],
                "solverCapabilities": [
                  "fit-box-opening-v1"
                ],
                "requiredPrecision": "BOUNDED"
              }
            ],
            "missingEvidence": [],
            "authorityBoundary": "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged.",
            "id": "sha256:0693f0cfeeff123916936139d742d9a5065f96ef46c2fa385095bcf62bef9f3e"
          },
          "contextContentId": "sha256:e4a27f8c3f284546e9709618a773ea0da7a4b8b9e2a56700e8ca4f6182faca09",
          "contextGraph": {
            "schemaVersion": "sft.scene.v1",
            "id": "architecture-fixture-context",
            "name": "Architectural clearance and service-access fixture — context",
            "rootEntityId": "world",
            "frames": [
              {
                "id": "world",
                "name": "Fixture world frame",
                "origin": [
                  0,
                  0,
                  0
                ],
                "basis": [
                  [
                    1,
                    0,
                    0
                  ],
                  [
                    0,
                    1,
                    0
                  ],
                  [
                    0,
                    0,
                    1
                  ]
                ],
                "unit": "mm",
                "precision": "EXACT",
                "tolerance": 0
              }
            ],
            "entities": [
              {
                "id": "world",
                "name": "World",
                "kind": "world",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "building",
                "name": "Prototype Building",
                "kind": "building",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "max": [
                    12000,
                    8000,
                    3200
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "ground-floor",
                "name": "Ground Floor",
                "kind": "level",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "max": [
                    12000,
                    8000,
                    3000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "lobby",
                "name": "Lobby",
                "kind": "space",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "max": [
                    3500,
                    4000,
                    3000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "routeWidthMm": 1400
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "corridor",
                "name": "Main Corridor",
                "kind": "space",
                "frameId": "world",
                "bounds": {
                  "min": [
                    3500,
                    0,
                    0
                  ],
                  "max": [
                    8000,
                    1800,
                    3000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "routeWidthMm": 1200
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "mechanical-room",
                "name": "Mechanical Room",
                "kind": "space",
                "frameId": "world",
                "bounds": {
                  "min": [
                    8000,
                    0,
                    0
                  ],
                  "max": [
                    12000,
                    4000,
                    3000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "routeWidthMm": 850
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "front-door",
                "name": "Front Door",
                "kind": "opening",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    1200,
                    0
                  ],
                  "max": [
                    100,
                    2150,
                    2100
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 3,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "sofa",
                "name": "Lobby Sofa",
                "kind": "object",
                "frameId": "world",
                "bounds": {
                  "min": [
                    600,
                    800,
                    0
                  ],
                  "max": [
                    1500,
                    2900,
                    850
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 5,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "movable": true
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "relations": [
              {
                "id": "contains:world:building",
                "kind": "contains",
                "from": "world",
                "to": "building",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:building:ground-floor",
                "kind": "contains",
                "from": "building",
                "to": "ground-floor",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:ground-floor:lobby",
                "kind": "contains",
                "from": "ground-floor",
                "to": "lobby",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:ground-floor:corridor",
                "kind": "contains",
                "from": "ground-floor",
                "to": "corridor",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:ground-floor:mechanical-room",
                "kind": "contains",
                "from": "ground-floor",
                "to": "mechanical-room",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:lobby:front-door",
                "kind": "contains",
                "from": "lobby",
                "to": "front-door",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:lobby:sofa",
                "kind": "contains",
                "from": "lobby",
                "to": "sofa",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "lobby-front-door-corridor",
                "kind": "opens_into",
                "from": "lobby",
                "to": "corridor",
                "directed": false,
                "attributes": {
                  "openingId": "front-door",
                  "minimumClearanceMm": 950
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "corridor-mechanical-door-room",
                "kind": "opens_into",
                "from": "corridor",
                "to": "mechanical-room",
                "directed": false,
                "attributes": {
                  "openingId": "mechanical-door",
                  "minimumClearanceMm": 820
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "supported:sofa:ground-floor",
                "kind": "supported_by",
                "from": "sofa",
                "to": "ground-floor",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "metadata": {
              "unit": "mm",
              "description": "One-hop graph-neighborhood baseline context",
              "evidenceState": "IMPLEMENTED",
              "tags": [
                "architecture",
                "clearance",
                "service-access",
                "context-resolved"
              ]
            }
          },
          "stats": {
            "worldEntityCount": 13,
            "worldRelationCount": 17,
            "contextEntityCount": 8,
            "contextRelationCount": 10,
            "contextFrameCount": 1,
            "serializedBytes": 4762,
            "serializedTokens": 1319,
            "tokenizer": "o200k_base@gpt-tokenizer-4.0.0",
            "entityReductionRatio": 0.3846153846153846,
            "relationReductionRatio": 0.4117647058823529
          },
          "solverResult": {
            "solver": "fit-box-opening-v1",
            "status": "PASS",
            "precision": "BOUNDED",
            "summary": "Lobby Sofa fits through Front Door under the bounded box-orientation model.",
            "result": {
              "objectId": "sofa",
              "openingId": "front-door",
              "clearanceMm": {
                "min": 84,
                "max": 116
              },
              "objectProjectionMm": [
                {
                  "min": 890,
                  "max": 910
                },
                {
                  "min": 840,
                  "max": 860
                }
              ],
              "openingPlaneMm": [
                {
                  "min": 944,
                  "max": 956
                },
                {
                  "min": 2094,
                  "max": 2106
                }
              ],
              "allowRotation": true
            },
            "trace": [
              {
                "code": "OBJECT_PROJECTIONS",
                "message": "Tested 3 axis-aligned object projection(s).",
                "entityIds": [
                  "sofa"
                ]
              },
              {
                "code": "SIGNED_CLEARANCE",
                "message": "Worst-axis clearance interval: 84.00 to 116.00 mm.",
                "entityIds": [
                  "sofa",
                  "front-door"
                ]
              }
            ],
            "warnings": [
              "This kernel tests bounded axis-aligned box projections; it is not swept-volume furniture routing or mesh collision proof."
            ]
          },
          "validationIssues": [
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity world has semantic state but no metric bounds",
              "entityId": "world"
            }
          ]
        },
        {
          "strategy": "SFT_OPERATIONAL",
          "sceneRevision": {
            "id": "sha256:71880593b846615ca053fbdbfa272d37768a7f1ba74e9187f4b4dabc8b9a8248",
            "contentId": "sha256:58a75ea1d736e5c3922fd123a48b5559106b3c98b950e3550c9862273fb8f6c2",
            "branch": "MAIN"
          },
          "compilation": {
            "status": "COMPILED",
            "source": "Can the lobby sofa fit through the front door?",
            "normalizedSource": "can the lobby sofa fit through the front door",
            "matchedPattern": "fit-through",
            "command": {
              "kind": "QUERY_FIT",
              "objectId": "sofa",
              "openingId": "front-door",
              "allowRotation": true
            },
            "diagnostics": [],
            "candidates": []
          },
          "contract": {
            "schemaVersion": "sft.context-contract.v1",
            "worldContentId": "sha256:58a75ea1d736e5c3922fd123a48b5559106b3c98b950e3550c9862273fb8f6c2",
            "sceneRevisionId": "sha256:71880593b846615ca053fbdbfa272d37768a7f1ba74e9187f4b4dabc8b9a8248",
            "sceneRevisionBranch": "MAIN",
            "scenarioId": "architecture",
            "source": "Can the lobby sofa fit through the front door?",
            "strategy": "SFT_OPERATIONAL",
            "command": {
              "kind": "QUERY_FIT",
              "objectId": "sofa",
              "openingId": "front-door",
              "allowRotation": true
            },
            "solverAuthority": "fit-box-opening-v1",
            "requiredEntityIds": [
              "building",
              "front-door",
              "ground-floor",
              "lobby",
              "sofa",
              "world"
            ],
            "requiredRelationIds": [
              "contains:building:ground-floor",
              "contains:ground-floor:lobby",
              "contains:lobby:front-door",
              "contains:lobby:sofa",
              "contains:world:building"
            ],
            "requiredFrameIds": [
              "world"
            ],
            "requiredMetricFacts": [
              {
                "id": "entity:front-door:bounds",
                "ownerType": "entity",
                "ownerId": "front-door",
                "path": "bounds",
                "precision": "BOUNDED",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:277e70c1878445105e0e72157745c13a7d9b07c55c78debd239327b997492a2c"
              },
              {
                "id": "entity:sofa:bounds",
                "ownerType": "entity",
                "ownerId": "sofa",
                "path": "bounds",
                "precision": "BOUNDED",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:63454df9614285a970e820260f18825dc3092d9e58535fba27a6df352fcc72e3"
              }
            ],
            "requiredSolverCapabilities": [
              "fit-box-opening-v1"
            ],
            "requirements": [
              {
                "code": "FIT_BOUNDS",
                "description": "Object and opening require bounded metric geometry.",
                "entityIds": [
                  "front-door",
                  "sofa"
                ],
                "relationIds": [],
                "metricFactIds": [
                  "entity:front-door:bounds",
                  "entity:sofa:bounds"
                ],
                "solverCapabilities": [
                  "fit-box-opening-v1"
                ],
                "requiredPrecision": "BOUNDED"
              }
            ],
            "missingEvidence": [],
            "authorityBoundary": "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged.",
            "id": "sha256:232c83890d96c16403ae46ba9b921e5b3e7b7f056feb63af16c8ad13b3bda3ab"
          },
          "contextContentId": "sha256:c4912307f9799abc27ebe38cae94cfb7533edcc9db0342c994ae741e6027913a",
          "contextGraph": {
            "schemaVersion": "sft.scene.v1",
            "id": "architecture-fixture-context",
            "name": "Architectural clearance and service-access fixture — context",
            "rootEntityId": "world",
            "frames": [
              {
                "id": "world",
                "name": "Fixture world frame",
                "origin": [
                  0,
                  0,
                  0
                ],
                "basis": [
                  [
                    1,
                    0,
                    0
                  ],
                  [
                    0,
                    1,
                    0
                  ],
                  [
                    0,
                    0,
                    1
                  ]
                ],
                "unit": "mm",
                "precision": "EXACT",
                "tolerance": 0
              }
            ],
            "entities": [
              {
                "id": "world",
                "name": "World",
                "kind": "world",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "building",
                "name": "Prototype Building",
                "kind": "building",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "max": [
                    12000,
                    8000,
                    3200
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "ground-floor",
                "name": "Ground Floor",
                "kind": "level",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "max": [
                    12000,
                    8000,
                    3000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "lobby",
                "name": "Lobby",
                "kind": "space",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "max": [
                    3500,
                    4000,
                    3000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "routeWidthMm": 1400
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "front-door",
                "name": "Front Door",
                "kind": "opening",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    1200,
                    0
                  ],
                  "max": [
                    100,
                    2150,
                    2100
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 3,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "sofa",
                "name": "Lobby Sofa",
                "kind": "object",
                "frameId": "world",
                "bounds": {
                  "min": [
                    600,
                    800,
                    0
                  ],
                  "max": [
                    1500,
                    2900,
                    850
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 5,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "movable": true
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "relations": [
              {
                "id": "contains:world:building",
                "kind": "contains",
                "from": "world",
                "to": "building",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:building:ground-floor",
                "kind": "contains",
                "from": "building",
                "to": "ground-floor",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:ground-floor:lobby",
                "kind": "contains",
                "from": "ground-floor",
                "to": "lobby",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:lobby:front-door",
                "kind": "contains",
                "from": "lobby",
                "to": "front-door",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:lobby:sofa",
                "kind": "contains",
                "from": "lobby",
                "to": "sofa",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "metadata": {
              "unit": "mm",
              "description": "Operation-directed SFT context",
              "evidenceState": "IMPLEMENTED",
              "tags": [
                "architecture",
                "clearance",
                "service-access",
                "context-resolved"
              ]
            }
          },
          "stats": {
            "worldEntityCount": 13,
            "worldRelationCount": 17,
            "contextEntityCount": 6,
            "contextRelationCount": 5,
            "contextFrameCount": 1,
            "serializedBytes": 3047,
            "serializedTokens": 853,
            "tokenizer": "o200k_base@gpt-tokenizer-4.0.0",
            "entityReductionRatio": 0.5384615384615384,
            "relationReductionRatio": 0.7058823529411764
          },
          "solverResult": {
            "solver": "fit-box-opening-v1",
            "status": "PASS",
            "precision": "BOUNDED",
            "summary": "Lobby Sofa fits through Front Door under the bounded box-orientation model.",
            "result": {
              "objectId": "sofa",
              "openingId": "front-door",
              "clearanceMm": {
                "min": 84,
                "max": 116
              },
              "objectProjectionMm": [
                {
                  "min": 890,
                  "max": 910
                },
                {
                  "min": 840,
                  "max": 860
                }
              ],
              "openingPlaneMm": [
                {
                  "min": 944,
                  "max": 956
                },
                {
                  "min": 2094,
                  "max": 2106
                }
              ],
              "allowRotation": true
            },
            "trace": [
              {
                "code": "OBJECT_PROJECTIONS",
                "message": "Tested 3 axis-aligned object projection(s).",
                "entityIds": [
                  "sofa"
                ]
              },
              {
                "code": "SIGNED_CLEARANCE",
                "message": "Worst-axis clearance interval: 84.00 to 116.00 mm.",
                "entityIds": [
                  "sofa",
                  "front-door"
                ]
              }
            ],
            "warnings": [
              "This kernel tests bounded axis-aligned box projections; it is not swept-volume furniture routing or mesh collision proof."
            ]
          },
          "validationIssues": [
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity world has semantic state but no metric bounds",
              "entityId": "world"
            }
          ]
        }
      ]
    },
    {
      "id": "architecture-service-access",
      "scenarioId": "architecture",
      "query": "Audit service access for air handler",
      "command": null,
      "strategies": [
        {
          "strategy": "FULL_SCENE",
          "sceneRevision": {
            "id": "sha256:71880593b846615ca053fbdbfa272d37768a7f1ba74e9187f4b4dabc8b9a8248",
            "contentId": "sha256:58a75ea1d736e5c3922fd123a48b5559106b3c98b950e3550c9862273fb8f6c2",
            "branch": "MAIN"
          },
          "compilation": {
            "status": "COMPILED",
            "source": "Audit service access for air handler",
            "normalizedSource": "audit service access for air handler",
            "matchedPattern": "service-access",
            "command": {
              "kind": "AUDIT_SERVICE_ACCESS",
              "targetId": "air-handler"
            },
            "diagnostics": [],
            "candidates": []
          },
          "contract": {
            "schemaVersion": "sft.context-contract.v1",
            "worldContentId": "sha256:58a75ea1d736e5c3922fd123a48b5559106b3c98b950e3550c9862273fb8f6c2",
            "sceneRevisionId": "sha256:71880593b846615ca053fbdbfa272d37768a7f1ba74e9187f4b4dabc8b9a8248",
            "sceneRevisionBranch": "MAIN",
            "scenarioId": "architecture",
            "source": "Audit service access for air handler",
            "strategy": "FULL_SCENE",
            "command": {
              "kind": "AUDIT_SERVICE_ACCESS",
              "targetId": "air-handler"
            },
            "solverAuthority": "service-access-zone-v1",
            "requiredEntityIds": [
              "air-handler",
              "air-handler-access",
              "building",
              "ground-floor",
              "mechanical-room",
              "stored-crate",
              "world"
            ],
            "requiredRelationIds": [
              "contains:building:ground-floor",
              "contains:ground-floor:mechanical-room",
              "contains:mechanical-room:air-handler",
              "contains:mechanical-room:air-handler-access",
              "contains:mechanical-room:stored-crate",
              "contains:world:building",
              "services:air-handler:zone"
            ],
            "requiredFrameIds": [
              "world"
            ],
            "requiredMetricFacts": [
              {
                "id": "entity:air-handler-access:bounds",
                "ownerType": "entity",
                "ownerId": "air-handler-access",
                "path": "bounds",
                "precision": "BOUNDED",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:37b0eb255fdc5644ae59d5f17441c12f65667818b86244fe3a3258f9e966e134"
              },
              {
                "id": "entity:stored-crate:bounds",
                "ownerType": "entity",
                "ownerId": "stored-crate",
                "path": "bounds",
                "precision": "BOUNDED",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:ab5acd5a2f564463cb280d275bd92841a8731c6072e54ac7c4b754ed876b3f5b"
              }
            ],
            "requiredSolverCapabilities": [
              "service-access-zone-v1"
            ],
            "requirements": [
              {
                "code": "SERVICE_ENVELOPE",
                "description": "The target, service envelope, and possible blockers require bounded geometry.",
                "entityIds": [
                  "air-handler",
                  "air-handler-access",
                  "stored-crate"
                ],
                "relationIds": [
                  "services:air-handler:zone"
                ],
                "metricFactIds": [
                  "entity:air-handler-access:bounds",
                  "entity:stored-crate:bounds"
                ],
                "solverCapabilities": [
                  "service-access-zone-v1"
                ],
                "requiredPrecision": "BOUNDED"
              }
            ],
            "missingEvidence": [],
            "authorityBoundary": "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged.",
            "id": "sha256:197ec9873b702e485a6aab5605005fa387687e81cf896ec3b114a4fcfc291886"
          },
          "contextContentId": "sha256:58a75ea1d736e5c3922fd123a48b5559106b3c98b950e3550c9862273fb8f6c2",
          "contextGraph": {
            "entities": [
              {
                "attributes": {},
                "frameId": "world",
                "id": "world",
                "kind": "world",
                "name": "World",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {},
                "bounds": {
                  "frameId": "world",
                  "max": [
                    12000,
                    8000,
                    3200
                  ],
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "precision": "EXACT",
                  "source": "authored",
                  "tolerance": 0,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "building",
                "kind": "building",
                "name": "Prototype Building",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {},
                "bounds": {
                  "frameId": "world",
                  "max": [
                    12000,
                    8000,
                    3000
                  ],
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "precision": "EXACT",
                  "source": "authored",
                  "tolerance": 0,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "ground-floor",
                "kind": "level",
                "name": "Ground Floor",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "routeWidthMm": 1400
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    3500,
                    4000,
                    3000
                  ],
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "precision": "EXACT",
                  "source": "authored",
                  "tolerance": 0,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "lobby",
                "kind": "space",
                "name": "Lobby",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "routeWidthMm": 1200
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    8000,
                    1800,
                    3000
                  ],
                  "min": [
                    3500,
                    0,
                    0
                  ],
                  "precision": "EXACT",
                  "source": "authored",
                  "tolerance": 0,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "corridor",
                "kind": "space",
                "name": "Main Corridor",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "routeWidthMm": 850
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    12000,
                    4000,
                    3000
                  ],
                  "min": [
                    8000,
                    0,
                    0
                  ],
                  "precision": "EXACT",
                  "source": "authored",
                  "tolerance": 0,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "mechanical-room",
                "kind": "space",
                "name": "Mechanical Room",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {},
                "bounds": {
                  "frameId": "world",
                  "max": [
                    100,
                    2150,
                    2100
                  ],
                  "min": [
                    0,
                    1200,
                    0
                  ],
                  "precision": "BOUNDED",
                  "source": "authored",
                  "tolerance": 3,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "front-door",
                "kind": "opening",
                "name": "Front Door",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {},
                "bounds": {
                  "frameId": "world",
                  "max": [
                    8000,
                    1220,
                    2050
                  ],
                  "min": [
                    7900,
                    400,
                    0
                  ],
                  "precision": "BOUNDED",
                  "source": "authored",
                  "tolerance": 3,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "mechanical-door",
                "kind": "opening",
                "name": "Mechanical Door",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "movable": true
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    1500,
                    2900,
                    850
                  ],
                  "min": [
                    600,
                    800,
                    0
                  ],
                  "precision": "BOUNDED",
                  "source": "authored",
                  "tolerance": 5,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "sofa",
                "kind": "object",
                "name": "Lobby Sofa",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "system": "HVAC"
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    10200,
                    2100,
                    1900
                  ],
                  "min": [
                    9000,
                    1000,
                    0
                  ],
                  "precision": "BOUNDED",
                  "source": "authored",
                  "tolerance": 5,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "air-handler",
                "kind": "service",
                "name": "Air Handler",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "requiredDepthMm": 800
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    10800,
                    2800,
                    2200
                  ],
                  "min": [
                    8400,
                    700,
                    0
                  ],
                  "precision": "BOUNDED",
                  "source": "authored",
                  "tolerance": 10,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "air-handler-access",
                "kind": "access-zone",
                "name": "Air Handler Service Zone",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "blocksAccess": true
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    9300,
                    1700,
                    900
                  ],
                  "min": [
                    8500,
                    900,
                    0
                  ],
                  "precision": "BOUNDED",
                  "source": "authored",
                  "tolerance": 5,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "stored-crate",
                "kind": "obstacle",
                "name": "Stored Crate",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "blocksAccess": false
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    11600,
                    1200,
                    700
                  ],
                  "min": [
                    10850,
                    500,
                    0
                  ],
                  "precision": "BOUNDED",
                  "source": "authored",
                  "tolerance": 5,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "clear-storage-bin",
                "kind": "object",
                "name": "Clear Storage Bin",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "frames": [
              {
                "basis": [
                  [
                    1,
                    0,
                    0
                  ],
                  [
                    0,
                    1,
                    0
                  ],
                  [
                    0,
                    0,
                    1
                  ]
                ],
                "id": "world",
                "name": "Fixture world frame",
                "origin": [
                  0,
                  0,
                  0
                ],
                "precision": "EXACT",
                "tolerance": 0,
                "unit": "mm"
              }
            ],
            "id": "architecture-fixture",
            "metadata": {
              "description": "A bounded building scene with openings, route widths, equipment, access zones, and an intentional storage obstruction.",
              "evidenceState": "IMPLEMENTED",
              "tags": [
                "architecture",
                "clearance",
                "service-access"
              ],
              "unit": "mm"
            },
            "name": "Architectural clearance and service-access fixture",
            "relations": [
              {
                "attributes": {},
                "directed": true,
                "from": "world",
                "id": "contains:world:building",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "building"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "building",
                "id": "contains:building:ground-floor",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "ground-floor"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "ground-floor",
                "id": "contains:ground-floor:lobby",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "lobby"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "ground-floor",
                "id": "contains:ground-floor:corridor",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "corridor"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "ground-floor",
                "id": "contains:ground-floor:mechanical-room",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "mechanical-room"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "lobby",
                "id": "contains:lobby:front-door",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "front-door"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "lobby",
                "id": "contains:lobby:sofa",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "sofa"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "mechanical-room",
                "id": "contains:mechanical-room:mechanical-door",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "mechanical-door"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "mechanical-room",
                "id": "contains:mechanical-room:air-handler",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "air-handler"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "mechanical-room",
                "id": "contains:mechanical-room:air-handler-access",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "air-handler-access"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "mechanical-room",
                "id": "contains:mechanical-room:stored-crate",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "stored-crate"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "mechanical-room",
                "id": "contains:mechanical-room:clear-storage-bin",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "clear-storage-bin"
              },
              {
                "attributes": {
                  "minimumClearanceMm": 950,
                  "openingId": "front-door"
                },
                "directed": false,
                "from": "lobby",
                "id": "lobby-front-door-corridor",
                "kind": "opens_into",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "corridor"
              },
              {
                "attributes": {
                  "minimumClearanceMm": 820,
                  "openingId": "mechanical-door"
                },
                "directed": false,
                "from": "corridor",
                "id": "corridor-mechanical-door-room",
                "kind": "opens_into",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "mechanical-room"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "air-handler",
                "id": "services:air-handler:zone",
                "kind": "services",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "air-handler-access"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "air-handler",
                "id": "supported:air-handler:ground-floor",
                "kind": "supported_by",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "ground-floor"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "sofa",
                "id": "supported:sofa:ground-floor",
                "kind": "supported_by",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "ground-floor"
              }
            ],
            "rootEntityId": "world",
            "schemaVersion": "sft.scene.v1"
          },
          "stats": {
            "worldEntityCount": 13,
            "worldRelationCount": 17,
            "contextEntityCount": 13,
            "contextRelationCount": 17,
            "contextFrameCount": 1,
            "serializedBytes": 7870,
            "serializedTokens": 2157,
            "tokenizer": "o200k_base@gpt-tokenizer-4.0.0",
            "entityReductionRatio": 0,
            "relationReductionRatio": 0
          },
          "solverResult": {
            "solver": "service-access-zone-v1",
            "status": "FAIL",
            "precision": "BOUNDED",
            "summary": "Air Handler's authored service-access zone is obstructed.",
            "result": {
              "targetId": "air-handler",
              "accessZones": [
                {
                  "zoneId": "air-handler-access",
                  "status": "FAIL",
                  "blockers": [
                    "stored-crate"
                  ]
                }
              ]
            },
            "trace": [
              {
                "code": "ACCESS_FAIL",
                "message": "air-handler-access: FAIL",
                "entityIds": [
                  "air-handler-access",
                  "stored-crate"
                ]
              }
            ],
            "warnings": [
              "The fixture checks authored access-zone overlap only; it does not evaluate posture, tool swing, lockout/tagout, or code compliance."
            ]
          },
          "validationIssues": [
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity world has semantic state but no metric bounds",
              "entityId": "world"
            }
          ]
        },
        {
          "strategy": "LEXICAL_TOP_K",
          "sceneRevision": {
            "id": "sha256:71880593b846615ca053fbdbfa272d37768a7f1ba74e9187f4b4dabc8b9a8248",
            "contentId": "sha256:58a75ea1d736e5c3922fd123a48b5559106b3c98b950e3550c9862273fb8f6c2",
            "branch": "MAIN"
          },
          "compilation": {
            "status": "COMPILED",
            "source": "Audit service access for air handler",
            "normalizedSource": "audit service access for air handler",
            "matchedPattern": "service-access",
            "command": {
              "kind": "AUDIT_SERVICE_ACCESS",
              "targetId": "air-handler"
            },
            "diagnostics": [],
            "candidates": []
          },
          "contract": {
            "schemaVersion": "sft.context-contract.v1",
            "worldContentId": "sha256:58a75ea1d736e5c3922fd123a48b5559106b3c98b950e3550c9862273fb8f6c2",
            "sceneRevisionId": "sha256:71880593b846615ca053fbdbfa272d37768a7f1ba74e9187f4b4dabc8b9a8248",
            "sceneRevisionBranch": "MAIN",
            "scenarioId": "architecture",
            "source": "Audit service access for air handler",
            "strategy": "LEXICAL_TOP_K",
            "command": {
              "kind": "AUDIT_SERVICE_ACCESS",
              "targetId": "air-handler"
            },
            "solverAuthority": "service-access-zone-v1",
            "requiredEntityIds": [
              "air-handler",
              "air-handler-access",
              "building",
              "ground-floor",
              "mechanical-room",
              "stored-crate",
              "world"
            ],
            "requiredRelationIds": [
              "contains:building:ground-floor",
              "contains:ground-floor:mechanical-room",
              "contains:mechanical-room:air-handler",
              "contains:mechanical-room:air-handler-access",
              "contains:mechanical-room:stored-crate",
              "contains:world:building",
              "services:air-handler:zone"
            ],
            "requiredFrameIds": [
              "world"
            ],
            "requiredMetricFacts": [
              {
                "id": "entity:air-handler-access:bounds",
                "ownerType": "entity",
                "ownerId": "air-handler-access",
                "path": "bounds",
                "precision": "BOUNDED",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:37b0eb255fdc5644ae59d5f17441c12f65667818b86244fe3a3258f9e966e134"
              },
              {
                "id": "entity:stored-crate:bounds",
                "ownerType": "entity",
                "ownerId": "stored-crate",
                "path": "bounds",
                "precision": "BOUNDED",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:ab5acd5a2f564463cb280d275bd92841a8731c6072e54ac7c4b754ed876b3f5b"
              }
            ],
            "requiredSolverCapabilities": [
              "service-access-zone-v1"
            ],
            "requirements": [
              {
                "code": "SERVICE_ENVELOPE",
                "description": "The target, service envelope, and possible blockers require bounded geometry.",
                "entityIds": [
                  "air-handler",
                  "air-handler-access",
                  "stored-crate"
                ],
                "relationIds": [
                  "services:air-handler:zone"
                ],
                "metricFactIds": [
                  "entity:air-handler-access:bounds",
                  "entity:stored-crate:bounds"
                ],
                "solverCapabilities": [
                  "service-access-zone-v1"
                ],
                "requiredPrecision": "BOUNDED"
              }
            ],
            "missingEvidence": [
              {
                "code": "REQUIRED_ENTITY_NOT_SELECTED",
                "message": "1 required entity or containment ancestor(s) are absent from the selected context.",
                "entityIds": [
                  "stored-crate"
                ],
                "relationIds": [],
                "metricFactIds": [],
                "solverCapabilities": []
              },
              {
                "code": "REQUIRED_RELATION_NOT_SELECTED",
                "message": "1 required relation(s) are absent from the selected context.",
                "entityIds": [],
                "relationIds": [
                  "contains:mechanical-room:stored-crate"
                ],
                "metricFactIds": [],
                "solverCapabilities": []
              },
              {
                "code": "REQUIRED_METRIC_FACT_NOT_SELECTED",
                "message": "1 required metric fact(s) are absent from the selected context.",
                "entityIds": [],
                "relationIds": [],
                "metricFactIds": [
                  "entity:stored-crate:bounds"
                ],
                "solverCapabilities": []
              }
            ],
            "authorityBoundary": "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged.",
            "id": "sha256:acade0959ad44b4e81a0e4405c59fc58eb010c7004ce25c5a22a0e5781c3df82"
          },
          "contextContentId": "sha256:4b3e80e26f69b8830d57370e5c8f70f264e759dfa004bcb911a8104813c0f0e7",
          "contextGraph": {
            "schemaVersion": "sft.scene.v1",
            "id": "architecture-fixture-context",
            "name": "Architectural clearance and service-access fixture — context",
            "rootEntityId": "world",
            "frames": [
              {
                "id": "world",
                "name": "Fixture world frame",
                "origin": [
                  0,
                  0,
                  0
                ],
                "basis": [
                  [
                    1,
                    0,
                    0
                  ],
                  [
                    0,
                    1,
                    0
                  ],
                  [
                    0,
                    0,
                    1
                  ]
                ],
                "unit": "mm",
                "precision": "EXACT",
                "tolerance": 0
              }
            ],
            "entities": [
              {
                "id": "world",
                "name": "World",
                "kind": "world",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "building",
                "name": "Prototype Building",
                "kind": "building",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "max": [
                    12000,
                    8000,
                    3200
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "ground-floor",
                "name": "Ground Floor",
                "kind": "level",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "max": [
                    12000,
                    8000,
                    3000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "mechanical-room",
                "name": "Mechanical Room",
                "kind": "space",
                "frameId": "world",
                "bounds": {
                  "min": [
                    8000,
                    0,
                    0
                  ],
                  "max": [
                    12000,
                    4000,
                    3000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "routeWidthMm": 850
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "air-handler",
                "name": "Air Handler",
                "kind": "service",
                "frameId": "world",
                "bounds": {
                  "min": [
                    9000,
                    1000,
                    0
                  ],
                  "max": [
                    10200,
                    2100,
                    1900
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 5,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "system": "HVAC"
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "air-handler-access",
                "name": "Air Handler Service Zone",
                "kind": "access-zone",
                "frameId": "world",
                "bounds": {
                  "min": [
                    8400,
                    700,
                    0
                  ],
                  "max": [
                    10800,
                    2800,
                    2200
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 10,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "requiredDepthMm": 800
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "relations": [
              {
                "id": "contains:world:building",
                "kind": "contains",
                "from": "world",
                "to": "building",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:building:ground-floor",
                "kind": "contains",
                "from": "building",
                "to": "ground-floor",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:ground-floor:mechanical-room",
                "kind": "contains",
                "from": "ground-floor",
                "to": "mechanical-room",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:mechanical-room:air-handler",
                "kind": "contains",
                "from": "mechanical-room",
                "to": "air-handler",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:mechanical-room:air-handler-access",
                "kind": "contains",
                "from": "mechanical-room",
                "to": "air-handler-access",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "services:air-handler:zone",
                "kind": "services",
                "from": "air-handler",
                "to": "air-handler-access",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "supported:air-handler:ground-floor",
                "kind": "supported_by",
                "from": "air-handler",
                "to": "ground-floor",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "metadata": {
              "unit": "mm",
              "description": "Lexical top-k baseline context",
              "evidenceState": "IMPLEMENTED",
              "tags": [
                "architecture",
                "clearance",
                "service-access",
                "context-resolved"
              ]
            }
          },
          "stats": {
            "worldEntityCount": 13,
            "worldRelationCount": 17,
            "contextEntityCount": 6,
            "contextRelationCount": 7,
            "contextFrameCount": 1,
            "serializedBytes": 3627,
            "serializedTokens": 981,
            "tokenizer": "o200k_base@gpt-tokenizer-4.0.0",
            "entityReductionRatio": 0.5384615384615384,
            "relationReductionRatio": 0.5882352941176471
          },
          "solverResult": {
            "solver": "service-access-zone-v1",
            "status": "UNKNOWN",
            "precision": "UNKNOWN",
            "summary": "The operation was not executed because required evidence is missing.",
            "result": {
              "missingEvidence": [
                {
                  "code": "REQUIRED_ENTITY_NOT_SELECTED",
                  "message": "1 required entity or containment ancestor(s) are absent from the selected context."
                },
                {
                  "code": "REQUIRED_RELATION_NOT_SELECTED",
                  "message": "1 required relation(s) are absent from the selected context."
                },
                {
                  "code": "REQUIRED_METRIC_FACT_NOT_SELECTED",
                  "message": "1 required metric fact(s) are absent from the selected context."
                }
              ]
            },
            "trace": [
              {
                "code": "EVIDENCE_GATE",
                "message": "The Context Resolver refused to promote an under-specified operation to a solver conclusion."
              }
            ],
            "warnings": [
              "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged."
            ]
          },
          "validationIssues": [
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity world has semantic state but no metric bounds",
              "entityId": "world"
            }
          ]
        },
        {
          "strategy": "GRAPH_NEIGHBORHOOD",
          "sceneRevision": {
            "id": "sha256:71880593b846615ca053fbdbfa272d37768a7f1ba74e9187f4b4dabc8b9a8248",
            "contentId": "sha256:58a75ea1d736e5c3922fd123a48b5559106b3c98b950e3550c9862273fb8f6c2",
            "branch": "MAIN"
          },
          "compilation": {
            "status": "COMPILED",
            "source": "Audit service access for air handler",
            "normalizedSource": "audit service access for air handler",
            "matchedPattern": "service-access",
            "command": {
              "kind": "AUDIT_SERVICE_ACCESS",
              "targetId": "air-handler"
            },
            "diagnostics": [],
            "candidates": []
          },
          "contract": {
            "schemaVersion": "sft.context-contract.v1",
            "worldContentId": "sha256:58a75ea1d736e5c3922fd123a48b5559106b3c98b950e3550c9862273fb8f6c2",
            "sceneRevisionId": "sha256:71880593b846615ca053fbdbfa272d37768a7f1ba74e9187f4b4dabc8b9a8248",
            "sceneRevisionBranch": "MAIN",
            "scenarioId": "architecture",
            "source": "Audit service access for air handler",
            "strategy": "GRAPH_NEIGHBORHOOD",
            "command": {
              "kind": "AUDIT_SERVICE_ACCESS",
              "targetId": "air-handler"
            },
            "solverAuthority": "service-access-zone-v1",
            "requiredEntityIds": [
              "air-handler",
              "air-handler-access",
              "building",
              "ground-floor",
              "mechanical-room",
              "stored-crate",
              "world"
            ],
            "requiredRelationIds": [
              "contains:building:ground-floor",
              "contains:ground-floor:mechanical-room",
              "contains:mechanical-room:air-handler",
              "contains:mechanical-room:air-handler-access",
              "contains:mechanical-room:stored-crate",
              "contains:world:building",
              "services:air-handler:zone"
            ],
            "requiredFrameIds": [
              "world"
            ],
            "requiredMetricFacts": [
              {
                "id": "entity:air-handler-access:bounds",
                "ownerType": "entity",
                "ownerId": "air-handler-access",
                "path": "bounds",
                "precision": "BOUNDED",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:37b0eb255fdc5644ae59d5f17441c12f65667818b86244fe3a3258f9e966e134"
              },
              {
                "id": "entity:stored-crate:bounds",
                "ownerType": "entity",
                "ownerId": "stored-crate",
                "path": "bounds",
                "precision": "BOUNDED",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:ab5acd5a2f564463cb280d275bd92841a8731c6072e54ac7c4b754ed876b3f5b"
              }
            ],
            "requiredSolverCapabilities": [
              "service-access-zone-v1"
            ],
            "requirements": [
              {
                "code": "SERVICE_ENVELOPE",
                "description": "The target, service envelope, and possible blockers require bounded geometry.",
                "entityIds": [
                  "air-handler",
                  "air-handler-access",
                  "stored-crate"
                ],
                "relationIds": [
                  "services:air-handler:zone"
                ],
                "metricFactIds": [
                  "entity:air-handler-access:bounds",
                  "entity:stored-crate:bounds"
                ],
                "solverCapabilities": [
                  "service-access-zone-v1"
                ],
                "requiredPrecision": "BOUNDED"
              }
            ],
            "missingEvidence": [],
            "authorityBoundary": "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged.",
            "id": "sha256:a28ae419bb9f949ece0f24fd4abac77903ce9e5d6eca61281ea67937a7c2e48f"
          },
          "contextContentId": "sha256:669c826fa1b30e9e727724ebb183a66504aa3f9aa01cd46cf0903aecb783ca5d",
          "contextGraph": {
            "schemaVersion": "sft.scene.v1",
            "id": "architecture-fixture-context",
            "name": "Architectural clearance and service-access fixture — context",
            "rootEntityId": "world",
            "frames": [
              {
                "id": "world",
                "name": "Fixture world frame",
                "origin": [
                  0,
                  0,
                  0
                ],
                "basis": [
                  [
                    1,
                    0,
                    0
                  ],
                  [
                    0,
                    1,
                    0
                  ],
                  [
                    0,
                    0,
                    1
                  ]
                ],
                "unit": "mm",
                "precision": "EXACT",
                "tolerance": 0
              }
            ],
            "entities": [
              {
                "id": "world",
                "name": "World",
                "kind": "world",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "building",
                "name": "Prototype Building",
                "kind": "building",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "max": [
                    12000,
                    8000,
                    3200
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "ground-floor",
                "name": "Ground Floor",
                "kind": "level",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "max": [
                    12000,
                    8000,
                    3000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "lobby",
                "name": "Lobby",
                "kind": "space",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "max": [
                    3500,
                    4000,
                    3000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "routeWidthMm": 1400
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "corridor",
                "name": "Main Corridor",
                "kind": "space",
                "frameId": "world",
                "bounds": {
                  "min": [
                    3500,
                    0,
                    0
                  ],
                  "max": [
                    8000,
                    1800,
                    3000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "routeWidthMm": 1200
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "mechanical-room",
                "name": "Mechanical Room",
                "kind": "space",
                "frameId": "world",
                "bounds": {
                  "min": [
                    8000,
                    0,
                    0
                  ],
                  "max": [
                    12000,
                    4000,
                    3000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "routeWidthMm": 850
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "sofa",
                "name": "Lobby Sofa",
                "kind": "object",
                "frameId": "world",
                "bounds": {
                  "min": [
                    600,
                    800,
                    0
                  ],
                  "max": [
                    1500,
                    2900,
                    850
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 5,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "movable": true
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "air-handler",
                "name": "Air Handler",
                "kind": "service",
                "frameId": "world",
                "bounds": {
                  "min": [
                    9000,
                    1000,
                    0
                  ],
                  "max": [
                    10200,
                    2100,
                    1900
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 5,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "system": "HVAC"
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "air-handler-access",
                "name": "Air Handler Service Zone",
                "kind": "access-zone",
                "frameId": "world",
                "bounds": {
                  "min": [
                    8400,
                    700,
                    0
                  ],
                  "max": [
                    10800,
                    2800,
                    2200
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 10,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "requiredDepthMm": 800
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "stored-crate",
                "name": "Stored Crate",
                "kind": "obstacle",
                "frameId": "world",
                "bounds": {
                  "min": [
                    8500,
                    900,
                    0
                  ],
                  "max": [
                    9300,
                    1700,
                    900
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 5,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "blocksAccess": true
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "clear-storage-bin",
                "name": "Clear Storage Bin",
                "kind": "object",
                "frameId": "world",
                "bounds": {
                  "min": [
                    10850,
                    500,
                    0
                  ],
                  "max": [
                    11600,
                    1200,
                    700
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 5,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "blocksAccess": false
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "relations": [
              {
                "id": "contains:world:building",
                "kind": "contains",
                "from": "world",
                "to": "building",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:building:ground-floor",
                "kind": "contains",
                "from": "building",
                "to": "ground-floor",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:ground-floor:lobby",
                "kind": "contains",
                "from": "ground-floor",
                "to": "lobby",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:ground-floor:corridor",
                "kind": "contains",
                "from": "ground-floor",
                "to": "corridor",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:ground-floor:mechanical-room",
                "kind": "contains",
                "from": "ground-floor",
                "to": "mechanical-room",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:lobby:sofa",
                "kind": "contains",
                "from": "lobby",
                "to": "sofa",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:mechanical-room:air-handler",
                "kind": "contains",
                "from": "mechanical-room",
                "to": "air-handler",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:mechanical-room:air-handler-access",
                "kind": "contains",
                "from": "mechanical-room",
                "to": "air-handler-access",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:mechanical-room:stored-crate",
                "kind": "contains",
                "from": "mechanical-room",
                "to": "stored-crate",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:mechanical-room:clear-storage-bin",
                "kind": "contains",
                "from": "mechanical-room",
                "to": "clear-storage-bin",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "corridor-mechanical-door-room",
                "kind": "opens_into",
                "from": "corridor",
                "to": "mechanical-room",
                "directed": false,
                "attributes": {
                  "openingId": "mechanical-door",
                  "minimumClearanceMm": 820
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "services:air-handler:zone",
                "kind": "services",
                "from": "air-handler",
                "to": "air-handler-access",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "supported:air-handler:ground-floor",
                "kind": "supported_by",
                "from": "air-handler",
                "to": "ground-floor",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "supported:sofa:ground-floor",
                "kind": "supported_by",
                "from": "sofa",
                "to": "ground-floor",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "metadata": {
              "unit": "mm",
              "description": "One-hop graph-neighborhood baseline context",
              "evidenceState": "IMPLEMENTED",
              "tags": [
                "architecture",
                "clearance",
                "service-access",
                "context-resolved"
              ]
            }
          },
          "stats": {
            "worldEntityCount": 13,
            "worldRelationCount": 17,
            "contextEntityCount": 11,
            "contextRelationCount": 14,
            "contextFrameCount": 1,
            "serializedBytes": 6608,
            "serializedTokens": 1809,
            "tokenizer": "o200k_base@gpt-tokenizer-4.0.0",
            "entityReductionRatio": 0.15384615384615385,
            "relationReductionRatio": 0.17647058823529416
          },
          "solverResult": {
            "solver": "service-access-zone-v1",
            "status": "FAIL",
            "precision": "BOUNDED",
            "summary": "Air Handler's authored service-access zone is obstructed.",
            "result": {
              "targetId": "air-handler",
              "accessZones": [
                {
                  "zoneId": "air-handler-access",
                  "status": "FAIL",
                  "blockers": [
                    "stored-crate"
                  ]
                }
              ]
            },
            "trace": [
              {
                "code": "ACCESS_FAIL",
                "message": "air-handler-access: FAIL",
                "entityIds": [
                  "air-handler-access",
                  "stored-crate"
                ]
              }
            ],
            "warnings": [
              "The fixture checks authored access-zone overlap only; it does not evaluate posture, tool swing, lockout/tagout, or code compliance."
            ]
          },
          "validationIssues": [
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity world has semantic state but no metric bounds",
              "entityId": "world"
            }
          ]
        },
        {
          "strategy": "SFT_OPERATIONAL",
          "sceneRevision": {
            "id": "sha256:71880593b846615ca053fbdbfa272d37768a7f1ba74e9187f4b4dabc8b9a8248",
            "contentId": "sha256:58a75ea1d736e5c3922fd123a48b5559106b3c98b950e3550c9862273fb8f6c2",
            "branch": "MAIN"
          },
          "compilation": {
            "status": "COMPILED",
            "source": "Audit service access for air handler",
            "normalizedSource": "audit service access for air handler",
            "matchedPattern": "service-access",
            "command": {
              "kind": "AUDIT_SERVICE_ACCESS",
              "targetId": "air-handler"
            },
            "diagnostics": [],
            "candidates": []
          },
          "contract": {
            "schemaVersion": "sft.context-contract.v1",
            "worldContentId": "sha256:58a75ea1d736e5c3922fd123a48b5559106b3c98b950e3550c9862273fb8f6c2",
            "sceneRevisionId": "sha256:71880593b846615ca053fbdbfa272d37768a7f1ba74e9187f4b4dabc8b9a8248",
            "sceneRevisionBranch": "MAIN",
            "scenarioId": "architecture",
            "source": "Audit service access for air handler",
            "strategy": "SFT_OPERATIONAL",
            "command": {
              "kind": "AUDIT_SERVICE_ACCESS",
              "targetId": "air-handler"
            },
            "solverAuthority": "service-access-zone-v1",
            "requiredEntityIds": [
              "air-handler",
              "air-handler-access",
              "building",
              "ground-floor",
              "mechanical-room",
              "stored-crate",
              "world"
            ],
            "requiredRelationIds": [
              "contains:building:ground-floor",
              "contains:ground-floor:mechanical-room",
              "contains:mechanical-room:air-handler",
              "contains:mechanical-room:air-handler-access",
              "contains:mechanical-room:stored-crate",
              "contains:world:building",
              "services:air-handler:zone"
            ],
            "requiredFrameIds": [
              "world"
            ],
            "requiredMetricFacts": [
              {
                "id": "entity:air-handler-access:bounds",
                "ownerType": "entity",
                "ownerId": "air-handler-access",
                "path": "bounds",
                "precision": "BOUNDED",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:37b0eb255fdc5644ae59d5f17441c12f65667818b86244fe3a3258f9e966e134"
              },
              {
                "id": "entity:stored-crate:bounds",
                "ownerType": "entity",
                "ownerId": "stored-crate",
                "path": "bounds",
                "precision": "BOUNDED",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:ab5acd5a2f564463cb280d275bd92841a8731c6072e54ac7c4b754ed876b3f5b"
              }
            ],
            "requiredSolverCapabilities": [
              "service-access-zone-v1"
            ],
            "requirements": [
              {
                "code": "SERVICE_ENVELOPE",
                "description": "The target, service envelope, and possible blockers require bounded geometry.",
                "entityIds": [
                  "air-handler",
                  "air-handler-access",
                  "stored-crate"
                ],
                "relationIds": [
                  "services:air-handler:zone"
                ],
                "metricFactIds": [
                  "entity:air-handler-access:bounds",
                  "entity:stored-crate:bounds"
                ],
                "solverCapabilities": [
                  "service-access-zone-v1"
                ],
                "requiredPrecision": "BOUNDED"
              }
            ],
            "missingEvidence": [],
            "authorityBoundary": "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged.",
            "id": "sha256:3f833b4d649ed5b61b81b2d27185975acbb60fa58d2f6e5d3d97cbfa53176e12"
          },
          "contextContentId": "sha256:dae139c83867c375ba5258bd0c48e8a216a7234fd8144b10a83c58a54a54bf6a",
          "contextGraph": {
            "schemaVersion": "sft.scene.v1",
            "id": "architecture-fixture-context",
            "name": "Architectural clearance and service-access fixture — context",
            "rootEntityId": "world",
            "frames": [
              {
                "id": "world",
                "name": "Fixture world frame",
                "origin": [
                  0,
                  0,
                  0
                ],
                "basis": [
                  [
                    1,
                    0,
                    0
                  ],
                  [
                    0,
                    1,
                    0
                  ],
                  [
                    0,
                    0,
                    1
                  ]
                ],
                "unit": "mm",
                "precision": "EXACT",
                "tolerance": 0
              }
            ],
            "entities": [
              {
                "id": "world",
                "name": "World",
                "kind": "world",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "building",
                "name": "Prototype Building",
                "kind": "building",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "max": [
                    12000,
                    8000,
                    3200
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "ground-floor",
                "name": "Ground Floor",
                "kind": "level",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "max": [
                    12000,
                    8000,
                    3000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "mechanical-room",
                "name": "Mechanical Room",
                "kind": "space",
                "frameId": "world",
                "bounds": {
                  "min": [
                    8000,
                    0,
                    0
                  ],
                  "max": [
                    12000,
                    4000,
                    3000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "routeWidthMm": 850
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "air-handler",
                "name": "Air Handler",
                "kind": "service",
                "frameId": "world",
                "bounds": {
                  "min": [
                    9000,
                    1000,
                    0
                  ],
                  "max": [
                    10200,
                    2100,
                    1900
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 5,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "system": "HVAC"
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "air-handler-access",
                "name": "Air Handler Service Zone",
                "kind": "access-zone",
                "frameId": "world",
                "bounds": {
                  "min": [
                    8400,
                    700,
                    0
                  ],
                  "max": [
                    10800,
                    2800,
                    2200
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 10,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "requiredDepthMm": 800
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "stored-crate",
                "name": "Stored Crate",
                "kind": "obstacle",
                "frameId": "world",
                "bounds": {
                  "min": [
                    8500,
                    900,
                    0
                  ],
                  "max": [
                    9300,
                    1700,
                    900
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 5,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "blocksAccess": true
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "relations": [
              {
                "id": "contains:world:building",
                "kind": "contains",
                "from": "world",
                "to": "building",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:building:ground-floor",
                "kind": "contains",
                "from": "building",
                "to": "ground-floor",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:ground-floor:mechanical-room",
                "kind": "contains",
                "from": "ground-floor",
                "to": "mechanical-room",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:mechanical-room:air-handler",
                "kind": "contains",
                "from": "mechanical-room",
                "to": "air-handler",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:mechanical-room:air-handler-access",
                "kind": "contains",
                "from": "mechanical-room",
                "to": "air-handler-access",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:mechanical-room:stored-crate",
                "kind": "contains",
                "from": "mechanical-room",
                "to": "stored-crate",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "services:air-handler:zone",
                "kind": "services",
                "from": "air-handler",
                "to": "air-handler-access",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "metadata": {
              "unit": "mm",
              "description": "Operation-directed SFT context",
              "evidenceState": "IMPLEMENTED",
              "tags": [
                "architecture",
                "clearance",
                "service-access",
                "context-resolved"
              ]
            }
          },
          "stats": {
            "worldEntityCount": 13,
            "worldRelationCount": 17,
            "contextEntityCount": 7,
            "contextRelationCount": 7,
            "contextFrameCount": 1,
            "serializedBytes": 3948,
            "serializedTokens": 1076,
            "tokenizer": "o200k_base@gpt-tokenizer-4.0.0",
            "entityReductionRatio": 0.46153846153846156,
            "relationReductionRatio": 0.5882352941176471
          },
          "solverResult": {
            "solver": "service-access-zone-v1",
            "status": "FAIL",
            "precision": "BOUNDED",
            "summary": "Air Handler's authored service-access zone is obstructed.",
            "result": {
              "targetId": "air-handler",
              "accessZones": [
                {
                  "zoneId": "air-handler-access",
                  "status": "FAIL",
                  "blockers": [
                    "stored-crate"
                  ]
                }
              ]
            },
            "trace": [
              {
                "code": "ACCESS_FAIL",
                "message": "air-handler-access: FAIL",
                "entityIds": [
                  "air-handler-access",
                  "stored-crate"
                ]
              }
            ],
            "warnings": [
              "The fixture checks authored access-zone overlap only; it does not evaluate posture, tool swing, lockout/tagout, or code compliance."
            ]
          },
          "validationIssues": [
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity world has semantic state but no metric bounds",
              "entityId": "world"
            }
          ]
        }
      ]
    },
    {
      "id": "architecture-clearance-policy",
      "scenarioId": "architecture",
      "query": "Check architectural clearance in ground floor",
      "command": null,
      "strategies": [
        {
          "strategy": "FULL_SCENE",
          "sceneRevision": {
            "id": "sha256:71880593b846615ca053fbdbfa272d37768a7f1ba74e9187f4b4dabc8b9a8248",
            "contentId": "sha256:58a75ea1d736e5c3922fd123a48b5559106b3c98b950e3550c9862273fb8f6c2",
            "branch": "MAIN"
          },
          "compilation": {
            "status": "COMPILED",
            "source": "Check architectural clearance in ground floor",
            "normalizedSource": "check architectural clearance in ground floor",
            "matchedPattern": "architectural-clearance",
            "command": {
              "kind": "AUDIT_ARCHITECTURAL_CLEARANCE",
              "scopeEntityId": "ground-floor",
              "policyId": "fixture-project-policy"
            },
            "diagnostics": [],
            "candidates": []
          },
          "contract": {
            "schemaVersion": "sft.context-contract.v1",
            "worldContentId": "sha256:58a75ea1d736e5c3922fd123a48b5559106b3c98b950e3550c9862273fb8f6c2",
            "sceneRevisionId": "sha256:71880593b846615ca053fbdbfa272d37768a7f1ba74e9187f4b4dabc8b9a8248",
            "sceneRevisionBranch": "MAIN",
            "scenarioId": "architecture",
            "source": "Check architectural clearance in ground floor",
            "strategy": "FULL_SCENE",
            "command": {
              "kind": "AUDIT_ARCHITECTURAL_CLEARANCE",
              "scopeEntityId": "ground-floor",
              "policyId": "fixture-project-policy"
            },
            "solverAuthority": "architectural-clearance-policy-v1",
            "requiredEntityIds": [
              "air-handler",
              "air-handler-access",
              "building",
              "clear-storage-bin",
              "corridor",
              "front-door",
              "ground-floor",
              "lobby",
              "mechanical-door",
              "mechanical-room",
              "sofa",
              "stored-crate",
              "world"
            ],
            "requiredRelationIds": [
              "contains:building:ground-floor",
              "contains:ground-floor:corridor",
              "contains:ground-floor:lobby",
              "contains:ground-floor:mechanical-room",
              "contains:lobby:front-door",
              "contains:lobby:sofa",
              "contains:mechanical-room:air-handler",
              "contains:mechanical-room:air-handler-access",
              "contains:mechanical-room:clear-storage-bin",
              "contains:mechanical-room:mechanical-door",
              "contains:mechanical-room:stored-crate",
              "contains:world:building",
              "corridor-mechanical-door-room",
              "lobby-front-door-corridor"
            ],
            "requiredFrameIds": [
              "world"
            ],
            "requiredMetricFacts": [
              {
                "id": "entity:corridor:attributes.routeWidthMm",
                "ownerType": "entity",
                "ownerId": "corridor",
                "path": "attributes.routeWidthMm",
                "precision": "EXACT",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:15197cf7214b58e67cae565e573ffd9aa44bcb81f8ee5d7185dfe8da0a16ef43"
              },
              {
                "id": "entity:front-door:bounds",
                "ownerType": "entity",
                "ownerId": "front-door",
                "path": "bounds",
                "precision": "BOUNDED",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:277e70c1878445105e0e72157745c13a7d9b07c55c78debd239327b997492a2c"
              },
              {
                "id": "entity:lobby:attributes.routeWidthMm",
                "ownerType": "entity",
                "ownerId": "lobby",
                "path": "attributes.routeWidthMm",
                "precision": "EXACT",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:55fdec963805de594b61b2c1692cadc2c1dfb844d6ac10c5bfed33c842087b2e"
              },
              {
                "id": "entity:mechanical-door:bounds",
                "ownerType": "entity",
                "ownerId": "mechanical-door",
                "path": "bounds",
                "precision": "BOUNDED",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:957309ffa5ab535b60e086589377d113f77de23ab0e7c56f970a1da66b32f841"
              },
              {
                "id": "entity:mechanical-room:attributes.routeWidthMm",
                "ownerType": "entity",
                "ownerId": "mechanical-room",
                "path": "attributes.routeWidthMm",
                "precision": "EXACT",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:7ffc2066e20c16e95c0b41167e334afe57ff4991b21c8d581611a3f516a786a9"
              },
              {
                "id": "policy:fixture-project-policy:minimumHeadroom",
                "ownerType": "policy",
                "ownerId": "fixture-project-policy",
                "path": "minimumHeadroom",
                "precision": "EXACT",
                "sourceId": "fixtureProjectPolicy",
                "sourceHash": "sha256:f53c1522e1b24122342d0b8f416e67adf8e8a45e27a1c0641843e19dd9d98aee"
              },
              {
                "id": "policy:fixture-project-policy:minimumOpeningWidth",
                "ownerType": "policy",
                "ownerId": "fixture-project-policy",
                "path": "minimumOpeningWidth",
                "precision": "EXACT",
                "sourceId": "fixtureProjectPolicy",
                "sourceHash": "sha256:aae54dda34dd1d77d4c3db737f8e497165886fa4f02e054fdbb0aaa31d51cca9"
              },
              {
                "id": "policy:fixture-project-policy:minimumRouteWidth",
                "ownerType": "policy",
                "ownerId": "fixture-project-policy",
                "path": "minimumRouteWidth",
                "precision": "EXACT",
                "sourceId": "fixtureProjectPolicy",
                "sourceHash": "sha256:4956951d33eb531347297baa7dcdc9bf79385078c4bac158f053e251f16038e4"
              }
            ],
            "requiredSolverCapabilities": [
              "architectural-clearance-policy-v1"
            ],
            "requirements": [
              {
                "code": "CLEARANCE_SCOPE",
                "description": "Openings, traversable spaces, authored route widths, and policy thresholds are required.",
                "entityIds": [
                  "air-handler",
                  "air-handler-access",
                  "clear-storage-bin",
                  "corridor",
                  "front-door",
                  "ground-floor",
                  "lobby",
                  "mechanical-door",
                  "mechanical-room",
                  "sofa",
                  "stored-crate"
                ],
                "relationIds": [
                  "contains:ground-floor:corridor",
                  "contains:ground-floor:lobby",
                  "contains:ground-floor:mechanical-room",
                  "contains:lobby:front-door",
                  "contains:lobby:sofa",
                  "contains:mechanical-room:air-handler",
                  "contains:mechanical-room:air-handler-access",
                  "contains:mechanical-room:clear-storage-bin",
                  "contains:mechanical-room:mechanical-door",
                  "contains:mechanical-room:stored-crate",
                  "corridor-mechanical-door-room",
                  "lobby-front-door-corridor"
                ],
                "metricFactIds": [
                  "entity:corridor:attributes.routeWidthMm",
                  "entity:front-door:bounds",
                  "entity:lobby:attributes.routeWidthMm",
                  "entity:mechanical-door:bounds",
                  "entity:mechanical-room:attributes.routeWidthMm",
                  "policy:fixture-project-policy:minimumHeadroom",
                  "policy:fixture-project-policy:minimumOpeningWidth",
                  "policy:fixture-project-policy:minimumRouteWidth"
                ],
                "solverCapabilities": [
                  "architectural-clearance-policy-v1"
                ],
                "requiredPrecision": "BOUNDED"
              }
            ],
            "missingEvidence": [],
            "authorityBoundary": "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged.",
            "id": "sha256:5b735e8d744990b58971fa1f8827a63487ac1a612d9893f0db38bbd268739368"
          },
          "contextContentId": "sha256:58a75ea1d736e5c3922fd123a48b5559106b3c98b950e3550c9862273fb8f6c2",
          "contextGraph": {
            "entities": [
              {
                "attributes": {},
                "frameId": "world",
                "id": "world",
                "kind": "world",
                "name": "World",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {},
                "bounds": {
                  "frameId": "world",
                  "max": [
                    12000,
                    8000,
                    3200
                  ],
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "precision": "EXACT",
                  "source": "authored",
                  "tolerance": 0,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "building",
                "kind": "building",
                "name": "Prototype Building",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {},
                "bounds": {
                  "frameId": "world",
                  "max": [
                    12000,
                    8000,
                    3000
                  ],
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "precision": "EXACT",
                  "source": "authored",
                  "tolerance": 0,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "ground-floor",
                "kind": "level",
                "name": "Ground Floor",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "routeWidthMm": 1400
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    3500,
                    4000,
                    3000
                  ],
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "precision": "EXACT",
                  "source": "authored",
                  "tolerance": 0,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "lobby",
                "kind": "space",
                "name": "Lobby",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "routeWidthMm": 1200
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    8000,
                    1800,
                    3000
                  ],
                  "min": [
                    3500,
                    0,
                    0
                  ],
                  "precision": "EXACT",
                  "source": "authored",
                  "tolerance": 0,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "corridor",
                "kind": "space",
                "name": "Main Corridor",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "routeWidthMm": 850
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    12000,
                    4000,
                    3000
                  ],
                  "min": [
                    8000,
                    0,
                    0
                  ],
                  "precision": "EXACT",
                  "source": "authored",
                  "tolerance": 0,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "mechanical-room",
                "kind": "space",
                "name": "Mechanical Room",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {},
                "bounds": {
                  "frameId": "world",
                  "max": [
                    100,
                    2150,
                    2100
                  ],
                  "min": [
                    0,
                    1200,
                    0
                  ],
                  "precision": "BOUNDED",
                  "source": "authored",
                  "tolerance": 3,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "front-door",
                "kind": "opening",
                "name": "Front Door",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {},
                "bounds": {
                  "frameId": "world",
                  "max": [
                    8000,
                    1220,
                    2050
                  ],
                  "min": [
                    7900,
                    400,
                    0
                  ],
                  "precision": "BOUNDED",
                  "source": "authored",
                  "tolerance": 3,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "mechanical-door",
                "kind": "opening",
                "name": "Mechanical Door",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "movable": true
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    1500,
                    2900,
                    850
                  ],
                  "min": [
                    600,
                    800,
                    0
                  ],
                  "precision": "BOUNDED",
                  "source": "authored",
                  "tolerance": 5,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "sofa",
                "kind": "object",
                "name": "Lobby Sofa",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "system": "HVAC"
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    10200,
                    2100,
                    1900
                  ],
                  "min": [
                    9000,
                    1000,
                    0
                  ],
                  "precision": "BOUNDED",
                  "source": "authored",
                  "tolerance": 5,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "air-handler",
                "kind": "service",
                "name": "Air Handler",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "requiredDepthMm": 800
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    10800,
                    2800,
                    2200
                  ],
                  "min": [
                    8400,
                    700,
                    0
                  ],
                  "precision": "BOUNDED",
                  "source": "authored",
                  "tolerance": 10,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "air-handler-access",
                "kind": "access-zone",
                "name": "Air Handler Service Zone",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "blocksAccess": true
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    9300,
                    1700,
                    900
                  ],
                  "min": [
                    8500,
                    900,
                    0
                  ],
                  "precision": "BOUNDED",
                  "source": "authored",
                  "tolerance": 5,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "stored-crate",
                "kind": "obstacle",
                "name": "Stored Crate",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "blocksAccess": false
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    11600,
                    1200,
                    700
                  ],
                  "min": [
                    10850,
                    500,
                    0
                  ],
                  "precision": "BOUNDED",
                  "source": "authored",
                  "tolerance": 5,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "clear-storage-bin",
                "kind": "object",
                "name": "Clear Storage Bin",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "frames": [
              {
                "basis": [
                  [
                    1,
                    0,
                    0
                  ],
                  [
                    0,
                    1,
                    0
                  ],
                  [
                    0,
                    0,
                    1
                  ]
                ],
                "id": "world",
                "name": "Fixture world frame",
                "origin": [
                  0,
                  0,
                  0
                ],
                "precision": "EXACT",
                "tolerance": 0,
                "unit": "mm"
              }
            ],
            "id": "architecture-fixture",
            "metadata": {
              "description": "A bounded building scene with openings, route widths, equipment, access zones, and an intentional storage obstruction.",
              "evidenceState": "IMPLEMENTED",
              "tags": [
                "architecture",
                "clearance",
                "service-access"
              ],
              "unit": "mm"
            },
            "name": "Architectural clearance and service-access fixture",
            "relations": [
              {
                "attributes": {},
                "directed": true,
                "from": "world",
                "id": "contains:world:building",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "building"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "building",
                "id": "contains:building:ground-floor",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "ground-floor"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "ground-floor",
                "id": "contains:ground-floor:lobby",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "lobby"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "ground-floor",
                "id": "contains:ground-floor:corridor",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "corridor"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "ground-floor",
                "id": "contains:ground-floor:mechanical-room",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "mechanical-room"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "lobby",
                "id": "contains:lobby:front-door",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "front-door"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "lobby",
                "id": "contains:lobby:sofa",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "sofa"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "mechanical-room",
                "id": "contains:mechanical-room:mechanical-door",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "mechanical-door"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "mechanical-room",
                "id": "contains:mechanical-room:air-handler",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "air-handler"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "mechanical-room",
                "id": "contains:mechanical-room:air-handler-access",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "air-handler-access"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "mechanical-room",
                "id": "contains:mechanical-room:stored-crate",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "stored-crate"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "mechanical-room",
                "id": "contains:mechanical-room:clear-storage-bin",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "clear-storage-bin"
              },
              {
                "attributes": {
                  "minimumClearanceMm": 950,
                  "openingId": "front-door"
                },
                "directed": false,
                "from": "lobby",
                "id": "lobby-front-door-corridor",
                "kind": "opens_into",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "corridor"
              },
              {
                "attributes": {
                  "minimumClearanceMm": 820,
                  "openingId": "mechanical-door"
                },
                "directed": false,
                "from": "corridor",
                "id": "corridor-mechanical-door-room",
                "kind": "opens_into",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "mechanical-room"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "air-handler",
                "id": "services:air-handler:zone",
                "kind": "services",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "air-handler-access"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "air-handler",
                "id": "supported:air-handler:ground-floor",
                "kind": "supported_by",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "ground-floor"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "sofa",
                "id": "supported:sofa:ground-floor",
                "kind": "supported_by",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "ground-floor"
              }
            ],
            "rootEntityId": "world",
            "schemaVersion": "sft.scene.v1"
          },
          "stats": {
            "worldEntityCount": 13,
            "worldRelationCount": 17,
            "contextEntityCount": 13,
            "contextRelationCount": 17,
            "contextFrameCount": 1,
            "serializedBytes": 7870,
            "serializedTokens": 2157,
            "tokenizer": "o200k_base@gpt-tokenizer-4.0.0",
            "entityReductionRatio": 0,
            "relationReductionRatio": 0
          },
          "solverResult": {
            "solver": "architectural-clearance-policy-v1",
            "status": "FAIL",
            "precision": "BOUNDED",
            "summary": "2 project-policy clearance check(s) failed.",
            "result": {
              "policyId": "fixture-project-policy",
              "policyName": "Authored demonstration clearance policy",
              "checks": [
                {
                  "entityId": "front-door",
                  "rule": "opening width",
                  "status": "PASS",
                  "clearanceMm": {
                    "min": 44,
                    "max": 56
                  },
                  "note": "Demonstration project threshold only; not a building-code or professional certification."
                },
                {
                  "entityId": "front-door",
                  "rule": "opening headroom",
                  "status": "PASS",
                  "clearanceMm": {
                    "min": 94,
                    "max": 106
                  },
                  "note": "Demonstration project threshold only; not a building-code or professional certification."
                },
                {
                  "entityId": "mechanical-door",
                  "rule": "opening width",
                  "status": "FAIL",
                  "clearanceMm": {
                    "min": -86,
                    "max": -74
                  },
                  "note": "Demonstration project threshold only; not a building-code or professional certification."
                },
                {
                  "entityId": "mechanical-door",
                  "rule": "opening headroom",
                  "status": "PASS",
                  "clearanceMm": {
                    "min": 44,
                    "max": 56
                  },
                  "note": "Demonstration project threshold only; not a building-code or professional certification."
                },
                {
                  "entityId": "lobby",
                  "rule": "route width",
                  "status": "PASS",
                  "clearanceMm": {
                    "min": 400,
                    "max": 400
                  },
                  "note": "Demonstration project threshold only; not a building-code or professional certification."
                },
                {
                  "entityId": "corridor",
                  "rule": "route width",
                  "status": "PASS",
                  "clearanceMm": {
                    "min": 200,
                    "max": 200
                  },
                  "note": "Demonstration project threshold only; not a building-code or professional certification."
                },
                {
                  "entityId": "mechanical-room",
                  "rule": "route width",
                  "status": "FAIL",
                  "clearanceMm": {
                    "min": -150,
                    "max": -150
                  },
                  "note": "Demonstration project threshold only; not a building-code or professional certification."
                }
              ]
            },
            "trace": [
              {
                "code": "CLEARANCE_PASS",
                "message": "opening width: PASS",
                "entityIds": [
                  "front-door"
                ]
              },
              {
                "code": "CLEARANCE_PASS",
                "message": "opening headroom: PASS",
                "entityIds": [
                  "front-door"
                ]
              },
              {
                "code": "CLEARANCE_FAIL",
                "message": "opening width: FAIL",
                "entityIds": [
                  "mechanical-door"
                ]
              },
              {
                "code": "CLEARANCE_PASS",
                "message": "opening headroom: PASS",
                "entityIds": [
                  "mechanical-door"
                ]
              },
              {
                "code": "CLEARANCE_PASS",
                "message": "route width: PASS",
                "entityIds": [
                  "lobby"
                ]
              },
              {
                "code": "CLEARANCE_PASS",
                "message": "route width: PASS",
                "entityIds": [
                  "corridor"
                ]
              },
              {
                "code": "CLEARANCE_FAIL",
                "message": "route width: FAIL",
                "entityIds": [
                  "mechanical-room"
                ]
              }
            ],
            "warnings": [
              "This is an authored project-policy fixture, not a building-code compliance certification or professional engineering opinion."
            ]
          },
          "validationIssues": [
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity world has semantic state but no metric bounds",
              "entityId": "world"
            }
          ]
        },
        {
          "strategy": "LEXICAL_TOP_K",
          "sceneRevision": {
            "id": "sha256:71880593b846615ca053fbdbfa272d37768a7f1ba74e9187f4b4dabc8b9a8248",
            "contentId": "sha256:58a75ea1d736e5c3922fd123a48b5559106b3c98b950e3550c9862273fb8f6c2",
            "branch": "MAIN"
          },
          "compilation": {
            "status": "COMPILED",
            "source": "Check architectural clearance in ground floor",
            "normalizedSource": "check architectural clearance in ground floor",
            "matchedPattern": "architectural-clearance",
            "command": {
              "kind": "AUDIT_ARCHITECTURAL_CLEARANCE",
              "scopeEntityId": "ground-floor",
              "policyId": "fixture-project-policy"
            },
            "diagnostics": [],
            "candidates": []
          },
          "contract": {
            "schemaVersion": "sft.context-contract.v1",
            "worldContentId": "sha256:58a75ea1d736e5c3922fd123a48b5559106b3c98b950e3550c9862273fb8f6c2",
            "sceneRevisionId": "sha256:71880593b846615ca053fbdbfa272d37768a7f1ba74e9187f4b4dabc8b9a8248",
            "sceneRevisionBranch": "MAIN",
            "scenarioId": "architecture",
            "source": "Check architectural clearance in ground floor",
            "strategy": "LEXICAL_TOP_K",
            "command": {
              "kind": "AUDIT_ARCHITECTURAL_CLEARANCE",
              "scopeEntityId": "ground-floor",
              "policyId": "fixture-project-policy"
            },
            "solverAuthority": "architectural-clearance-policy-v1",
            "requiredEntityIds": [
              "air-handler",
              "air-handler-access",
              "building",
              "clear-storage-bin",
              "corridor",
              "front-door",
              "ground-floor",
              "lobby",
              "mechanical-door",
              "mechanical-room",
              "sofa",
              "stored-crate",
              "world"
            ],
            "requiredRelationIds": [
              "contains:building:ground-floor",
              "contains:ground-floor:corridor",
              "contains:ground-floor:lobby",
              "contains:ground-floor:mechanical-room",
              "contains:lobby:front-door",
              "contains:lobby:sofa",
              "contains:mechanical-room:air-handler",
              "contains:mechanical-room:air-handler-access",
              "contains:mechanical-room:clear-storage-bin",
              "contains:mechanical-room:mechanical-door",
              "contains:mechanical-room:stored-crate",
              "contains:world:building",
              "corridor-mechanical-door-room",
              "lobby-front-door-corridor"
            ],
            "requiredFrameIds": [
              "world"
            ],
            "requiredMetricFacts": [
              {
                "id": "entity:corridor:attributes.routeWidthMm",
                "ownerType": "entity",
                "ownerId": "corridor",
                "path": "attributes.routeWidthMm",
                "precision": "EXACT",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:15197cf7214b58e67cae565e573ffd9aa44bcb81f8ee5d7185dfe8da0a16ef43"
              },
              {
                "id": "entity:front-door:bounds",
                "ownerType": "entity",
                "ownerId": "front-door",
                "path": "bounds",
                "precision": "BOUNDED",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:277e70c1878445105e0e72157745c13a7d9b07c55c78debd239327b997492a2c"
              },
              {
                "id": "entity:lobby:attributes.routeWidthMm",
                "ownerType": "entity",
                "ownerId": "lobby",
                "path": "attributes.routeWidthMm",
                "precision": "EXACT",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:55fdec963805de594b61b2c1692cadc2c1dfb844d6ac10c5bfed33c842087b2e"
              },
              {
                "id": "entity:mechanical-door:bounds",
                "ownerType": "entity",
                "ownerId": "mechanical-door",
                "path": "bounds",
                "precision": "BOUNDED",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:957309ffa5ab535b60e086589377d113f77de23ab0e7c56f970a1da66b32f841"
              },
              {
                "id": "entity:mechanical-room:attributes.routeWidthMm",
                "ownerType": "entity",
                "ownerId": "mechanical-room",
                "path": "attributes.routeWidthMm",
                "precision": "EXACT",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:7ffc2066e20c16e95c0b41167e334afe57ff4991b21c8d581611a3f516a786a9"
              },
              {
                "id": "policy:fixture-project-policy:minimumHeadroom",
                "ownerType": "policy",
                "ownerId": "fixture-project-policy",
                "path": "minimumHeadroom",
                "precision": "EXACT",
                "sourceId": "fixtureProjectPolicy",
                "sourceHash": "sha256:f53c1522e1b24122342d0b8f416e67adf8e8a45e27a1c0641843e19dd9d98aee"
              },
              {
                "id": "policy:fixture-project-policy:minimumOpeningWidth",
                "ownerType": "policy",
                "ownerId": "fixture-project-policy",
                "path": "minimumOpeningWidth",
                "precision": "EXACT",
                "sourceId": "fixtureProjectPolicy",
                "sourceHash": "sha256:aae54dda34dd1d77d4c3db737f8e497165886fa4f02e054fdbb0aaa31d51cca9"
              },
              {
                "id": "policy:fixture-project-policy:minimumRouteWidth",
                "ownerType": "policy",
                "ownerId": "fixture-project-policy",
                "path": "minimumRouteWidth",
                "precision": "EXACT",
                "sourceId": "fixtureProjectPolicy",
                "sourceHash": "sha256:4956951d33eb531347297baa7dcdc9bf79385078c4bac158f053e251f16038e4"
              }
            ],
            "requiredSolverCapabilities": [
              "architectural-clearance-policy-v1"
            ],
            "requirements": [
              {
                "code": "CLEARANCE_SCOPE",
                "description": "Openings, traversable spaces, authored route widths, and policy thresholds are required.",
                "entityIds": [
                  "air-handler",
                  "air-handler-access",
                  "clear-storage-bin",
                  "corridor",
                  "front-door",
                  "ground-floor",
                  "lobby",
                  "mechanical-door",
                  "mechanical-room",
                  "sofa",
                  "stored-crate"
                ],
                "relationIds": [
                  "contains:ground-floor:corridor",
                  "contains:ground-floor:lobby",
                  "contains:ground-floor:mechanical-room",
                  "contains:lobby:front-door",
                  "contains:lobby:sofa",
                  "contains:mechanical-room:air-handler",
                  "contains:mechanical-room:air-handler-access",
                  "contains:mechanical-room:clear-storage-bin",
                  "contains:mechanical-room:mechanical-door",
                  "contains:mechanical-room:stored-crate",
                  "corridor-mechanical-door-room",
                  "lobby-front-door-corridor"
                ],
                "metricFactIds": [
                  "entity:corridor:attributes.routeWidthMm",
                  "entity:front-door:bounds",
                  "entity:lobby:attributes.routeWidthMm",
                  "entity:mechanical-door:bounds",
                  "entity:mechanical-room:attributes.routeWidthMm",
                  "policy:fixture-project-policy:minimumHeadroom",
                  "policy:fixture-project-policy:minimumOpeningWidth",
                  "policy:fixture-project-policy:minimumRouteWidth"
                ],
                "solverCapabilities": [
                  "architectural-clearance-policy-v1"
                ],
                "requiredPrecision": "BOUNDED"
              }
            ],
            "missingEvidence": [
              {
                "code": "REQUIRED_ENTITY_NOT_SELECTED",
                "message": "7 required entity or containment ancestor(s) are absent from the selected context.",
                "entityIds": [
                  "air-handler",
                  "air-handler-access",
                  "front-door",
                  "lobby",
                  "mechanical-door",
                  "sofa",
                  "stored-crate"
                ],
                "relationIds": [],
                "metricFactIds": [],
                "solverCapabilities": []
              },
              {
                "code": "REQUIRED_RELATION_NOT_SELECTED",
                "message": "8 required relation(s) are absent from the selected context.",
                "entityIds": [],
                "relationIds": [
                  "contains:ground-floor:lobby",
                  "contains:lobby:front-door",
                  "contains:lobby:sofa",
                  "contains:mechanical-room:air-handler",
                  "contains:mechanical-room:air-handler-access",
                  "contains:mechanical-room:mechanical-door",
                  "contains:mechanical-room:stored-crate",
                  "lobby-front-door-corridor"
                ],
                "metricFactIds": [],
                "solverCapabilities": []
              },
              {
                "code": "REQUIRED_METRIC_FACT_NOT_SELECTED",
                "message": "3 required metric fact(s) are absent from the selected context.",
                "entityIds": [],
                "relationIds": [],
                "metricFactIds": [
                  "entity:front-door:bounds",
                  "entity:lobby:attributes.routeWidthMm",
                  "entity:mechanical-door:bounds"
                ],
                "solverCapabilities": []
              }
            ],
            "authorityBoundary": "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged.",
            "id": "sha256:c434dbd62b5d9a5538bc9ad624fb0484c7bb6e7aa5e9e105c47024f06eef1a5b"
          },
          "contextContentId": "sha256:7add300844e4cf1d98eb3086a24fe063ec0607d939d63f53901d6f9a85d062e0",
          "contextGraph": {
            "schemaVersion": "sft.scene.v1",
            "id": "architecture-fixture-context",
            "name": "Architectural clearance and service-access fixture — context",
            "rootEntityId": "world",
            "frames": [
              {
                "id": "world",
                "name": "Fixture world frame",
                "origin": [
                  0,
                  0,
                  0
                ],
                "basis": [
                  [
                    1,
                    0,
                    0
                  ],
                  [
                    0,
                    1,
                    0
                  ],
                  [
                    0,
                    0,
                    1
                  ]
                ],
                "unit": "mm",
                "precision": "EXACT",
                "tolerance": 0
              }
            ],
            "entities": [
              {
                "id": "world",
                "name": "World",
                "kind": "world",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "building",
                "name": "Prototype Building",
                "kind": "building",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "max": [
                    12000,
                    8000,
                    3200
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "ground-floor",
                "name": "Ground Floor",
                "kind": "level",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "max": [
                    12000,
                    8000,
                    3000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "corridor",
                "name": "Main Corridor",
                "kind": "space",
                "frameId": "world",
                "bounds": {
                  "min": [
                    3500,
                    0,
                    0
                  ],
                  "max": [
                    8000,
                    1800,
                    3000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "routeWidthMm": 1200
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "mechanical-room",
                "name": "Mechanical Room",
                "kind": "space",
                "frameId": "world",
                "bounds": {
                  "min": [
                    8000,
                    0,
                    0
                  ],
                  "max": [
                    12000,
                    4000,
                    3000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "routeWidthMm": 850
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "clear-storage-bin",
                "name": "Clear Storage Bin",
                "kind": "object",
                "frameId": "world",
                "bounds": {
                  "min": [
                    10850,
                    500,
                    0
                  ],
                  "max": [
                    11600,
                    1200,
                    700
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 5,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "blocksAccess": false
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "relations": [
              {
                "id": "contains:world:building",
                "kind": "contains",
                "from": "world",
                "to": "building",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:building:ground-floor",
                "kind": "contains",
                "from": "building",
                "to": "ground-floor",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:ground-floor:corridor",
                "kind": "contains",
                "from": "ground-floor",
                "to": "corridor",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:ground-floor:mechanical-room",
                "kind": "contains",
                "from": "ground-floor",
                "to": "mechanical-room",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:mechanical-room:clear-storage-bin",
                "kind": "contains",
                "from": "mechanical-room",
                "to": "clear-storage-bin",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "corridor-mechanical-door-room",
                "kind": "opens_into",
                "from": "corridor",
                "to": "mechanical-room",
                "directed": false,
                "attributes": {
                  "openingId": "mechanical-door",
                  "minimumClearanceMm": 820
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "metadata": {
              "unit": "mm",
              "description": "Lexical top-k baseline context",
              "evidenceState": "IMPLEMENTED",
              "tags": [
                "architecture",
                "clearance",
                "service-access",
                "context-resolved"
              ]
            }
          },
          "stats": {
            "worldEntityCount": 13,
            "worldRelationCount": 17,
            "contextEntityCount": 6,
            "contextRelationCount": 6,
            "contextFrameCount": 1,
            "serializedBytes": 3444,
            "serializedTokens": 937,
            "tokenizer": "o200k_base@gpt-tokenizer-4.0.0",
            "entityReductionRatio": 0.5384615384615384,
            "relationReductionRatio": 0.6470588235294117
          },
          "solverResult": {
            "solver": "architectural-clearance-policy-v1",
            "status": "UNKNOWN",
            "precision": "UNKNOWN",
            "summary": "The operation was not executed because required evidence is missing.",
            "result": {
              "missingEvidence": [
                {
                  "code": "REQUIRED_ENTITY_NOT_SELECTED",
                  "message": "7 required entity or containment ancestor(s) are absent from the selected context."
                },
                {
                  "code": "REQUIRED_RELATION_NOT_SELECTED",
                  "message": "8 required relation(s) are absent from the selected context."
                },
                {
                  "code": "REQUIRED_METRIC_FACT_NOT_SELECTED",
                  "message": "3 required metric fact(s) are absent from the selected context."
                }
              ]
            },
            "trace": [
              {
                "code": "EVIDENCE_GATE",
                "message": "The Context Resolver refused to promote an under-specified operation to a solver conclusion."
              }
            ],
            "warnings": [
              "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged."
            ]
          },
          "validationIssues": [
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity world has semantic state but no metric bounds",
              "entityId": "world"
            }
          ]
        },
        {
          "strategy": "GRAPH_NEIGHBORHOOD",
          "sceneRevision": {
            "id": "sha256:71880593b846615ca053fbdbfa272d37768a7f1ba74e9187f4b4dabc8b9a8248",
            "contentId": "sha256:58a75ea1d736e5c3922fd123a48b5559106b3c98b950e3550c9862273fb8f6c2",
            "branch": "MAIN"
          },
          "compilation": {
            "status": "COMPILED",
            "source": "Check architectural clearance in ground floor",
            "normalizedSource": "check architectural clearance in ground floor",
            "matchedPattern": "architectural-clearance",
            "command": {
              "kind": "AUDIT_ARCHITECTURAL_CLEARANCE",
              "scopeEntityId": "ground-floor",
              "policyId": "fixture-project-policy"
            },
            "diagnostics": [],
            "candidates": []
          },
          "contract": {
            "schemaVersion": "sft.context-contract.v1",
            "worldContentId": "sha256:58a75ea1d736e5c3922fd123a48b5559106b3c98b950e3550c9862273fb8f6c2",
            "sceneRevisionId": "sha256:71880593b846615ca053fbdbfa272d37768a7f1ba74e9187f4b4dabc8b9a8248",
            "sceneRevisionBranch": "MAIN",
            "scenarioId": "architecture",
            "source": "Check architectural clearance in ground floor",
            "strategy": "GRAPH_NEIGHBORHOOD",
            "command": {
              "kind": "AUDIT_ARCHITECTURAL_CLEARANCE",
              "scopeEntityId": "ground-floor",
              "policyId": "fixture-project-policy"
            },
            "solverAuthority": "architectural-clearance-policy-v1",
            "requiredEntityIds": [
              "air-handler",
              "air-handler-access",
              "building",
              "clear-storage-bin",
              "corridor",
              "front-door",
              "ground-floor",
              "lobby",
              "mechanical-door",
              "mechanical-room",
              "sofa",
              "stored-crate",
              "world"
            ],
            "requiredRelationIds": [
              "contains:building:ground-floor",
              "contains:ground-floor:corridor",
              "contains:ground-floor:lobby",
              "contains:ground-floor:mechanical-room",
              "contains:lobby:front-door",
              "contains:lobby:sofa",
              "contains:mechanical-room:air-handler",
              "contains:mechanical-room:air-handler-access",
              "contains:mechanical-room:clear-storage-bin",
              "contains:mechanical-room:mechanical-door",
              "contains:mechanical-room:stored-crate",
              "contains:world:building",
              "corridor-mechanical-door-room",
              "lobby-front-door-corridor"
            ],
            "requiredFrameIds": [
              "world"
            ],
            "requiredMetricFacts": [
              {
                "id": "entity:corridor:attributes.routeWidthMm",
                "ownerType": "entity",
                "ownerId": "corridor",
                "path": "attributes.routeWidthMm",
                "precision": "EXACT",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:15197cf7214b58e67cae565e573ffd9aa44bcb81f8ee5d7185dfe8da0a16ef43"
              },
              {
                "id": "entity:front-door:bounds",
                "ownerType": "entity",
                "ownerId": "front-door",
                "path": "bounds",
                "precision": "BOUNDED",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:277e70c1878445105e0e72157745c13a7d9b07c55c78debd239327b997492a2c"
              },
              {
                "id": "entity:lobby:attributes.routeWidthMm",
                "ownerType": "entity",
                "ownerId": "lobby",
                "path": "attributes.routeWidthMm",
                "precision": "EXACT",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:55fdec963805de594b61b2c1692cadc2c1dfb844d6ac10c5bfed33c842087b2e"
              },
              {
                "id": "entity:mechanical-door:bounds",
                "ownerType": "entity",
                "ownerId": "mechanical-door",
                "path": "bounds",
                "precision": "BOUNDED",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:957309ffa5ab535b60e086589377d113f77de23ab0e7c56f970a1da66b32f841"
              },
              {
                "id": "entity:mechanical-room:attributes.routeWidthMm",
                "ownerType": "entity",
                "ownerId": "mechanical-room",
                "path": "attributes.routeWidthMm",
                "precision": "EXACT",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:7ffc2066e20c16e95c0b41167e334afe57ff4991b21c8d581611a3f516a786a9"
              },
              {
                "id": "policy:fixture-project-policy:minimumHeadroom",
                "ownerType": "policy",
                "ownerId": "fixture-project-policy",
                "path": "minimumHeadroom",
                "precision": "EXACT",
                "sourceId": "fixtureProjectPolicy",
                "sourceHash": "sha256:f53c1522e1b24122342d0b8f416e67adf8e8a45e27a1c0641843e19dd9d98aee"
              },
              {
                "id": "policy:fixture-project-policy:minimumOpeningWidth",
                "ownerType": "policy",
                "ownerId": "fixture-project-policy",
                "path": "minimumOpeningWidth",
                "precision": "EXACT",
                "sourceId": "fixtureProjectPolicy",
                "sourceHash": "sha256:aae54dda34dd1d77d4c3db737f8e497165886fa4f02e054fdbb0aaa31d51cca9"
              },
              {
                "id": "policy:fixture-project-policy:minimumRouteWidth",
                "ownerType": "policy",
                "ownerId": "fixture-project-policy",
                "path": "minimumRouteWidth",
                "precision": "EXACT",
                "sourceId": "fixtureProjectPolicy",
                "sourceHash": "sha256:4956951d33eb531347297baa7dcdc9bf79385078c4bac158f053e251f16038e4"
              }
            ],
            "requiredSolverCapabilities": [
              "architectural-clearance-policy-v1"
            ],
            "requirements": [
              {
                "code": "CLEARANCE_SCOPE",
                "description": "Openings, traversable spaces, authored route widths, and policy thresholds are required.",
                "entityIds": [
                  "air-handler",
                  "air-handler-access",
                  "clear-storage-bin",
                  "corridor",
                  "front-door",
                  "ground-floor",
                  "lobby",
                  "mechanical-door",
                  "mechanical-room",
                  "sofa",
                  "stored-crate"
                ],
                "relationIds": [
                  "contains:ground-floor:corridor",
                  "contains:ground-floor:lobby",
                  "contains:ground-floor:mechanical-room",
                  "contains:lobby:front-door",
                  "contains:lobby:sofa",
                  "contains:mechanical-room:air-handler",
                  "contains:mechanical-room:air-handler-access",
                  "contains:mechanical-room:clear-storage-bin",
                  "contains:mechanical-room:mechanical-door",
                  "contains:mechanical-room:stored-crate",
                  "corridor-mechanical-door-room",
                  "lobby-front-door-corridor"
                ],
                "metricFactIds": [
                  "entity:corridor:attributes.routeWidthMm",
                  "entity:front-door:bounds",
                  "entity:lobby:attributes.routeWidthMm",
                  "entity:mechanical-door:bounds",
                  "entity:mechanical-room:attributes.routeWidthMm",
                  "policy:fixture-project-policy:minimumHeadroom",
                  "policy:fixture-project-policy:minimumOpeningWidth",
                  "policy:fixture-project-policy:minimumRouteWidth"
                ],
                "solverCapabilities": [
                  "architectural-clearance-policy-v1"
                ],
                "requiredPrecision": "BOUNDED"
              }
            ],
            "missingEvidence": [],
            "authorityBoundary": "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged.",
            "id": "sha256:173313169e43be7e0911a37d29da10e526a504e5e02af729a686f6ce4fe93000"
          },
          "contextContentId": "sha256:096e49c25954f31b7323309eced7a0e7e25a1afa1808f05dae14b7d9389b0f20",
          "contextGraph": {
            "schemaVersion": "sft.scene.v1",
            "id": "architecture-fixture-context",
            "name": "Architectural clearance and service-access fixture — context",
            "rootEntityId": "world",
            "frames": [
              {
                "id": "world",
                "name": "Fixture world frame",
                "origin": [
                  0,
                  0,
                  0
                ],
                "basis": [
                  [
                    1,
                    0,
                    0
                  ],
                  [
                    0,
                    1,
                    0
                  ],
                  [
                    0,
                    0,
                    1
                  ]
                ],
                "unit": "mm",
                "precision": "EXACT",
                "tolerance": 0
              }
            ],
            "entities": [
              {
                "id": "world",
                "name": "World",
                "kind": "world",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "building",
                "name": "Prototype Building",
                "kind": "building",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "max": [
                    12000,
                    8000,
                    3200
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "ground-floor",
                "name": "Ground Floor",
                "kind": "level",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "max": [
                    12000,
                    8000,
                    3000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "lobby",
                "name": "Lobby",
                "kind": "space",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "max": [
                    3500,
                    4000,
                    3000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "routeWidthMm": 1400
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "corridor",
                "name": "Main Corridor",
                "kind": "space",
                "frameId": "world",
                "bounds": {
                  "min": [
                    3500,
                    0,
                    0
                  ],
                  "max": [
                    8000,
                    1800,
                    3000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "routeWidthMm": 1200
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "mechanical-room",
                "name": "Mechanical Room",
                "kind": "space",
                "frameId": "world",
                "bounds": {
                  "min": [
                    8000,
                    0,
                    0
                  ],
                  "max": [
                    12000,
                    4000,
                    3000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "routeWidthMm": 850
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "front-door",
                "name": "Front Door",
                "kind": "opening",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    1200,
                    0
                  ],
                  "max": [
                    100,
                    2150,
                    2100
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 3,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "mechanical-door",
                "name": "Mechanical Door",
                "kind": "opening",
                "frameId": "world",
                "bounds": {
                  "min": [
                    7900,
                    400,
                    0
                  ],
                  "max": [
                    8000,
                    1220,
                    2050
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 3,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "sofa",
                "name": "Lobby Sofa",
                "kind": "object",
                "frameId": "world",
                "bounds": {
                  "min": [
                    600,
                    800,
                    0
                  ],
                  "max": [
                    1500,
                    2900,
                    850
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 5,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "movable": true
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "air-handler",
                "name": "Air Handler",
                "kind": "service",
                "frameId": "world",
                "bounds": {
                  "min": [
                    9000,
                    1000,
                    0
                  ],
                  "max": [
                    10200,
                    2100,
                    1900
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 5,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "system": "HVAC"
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "air-handler-access",
                "name": "Air Handler Service Zone",
                "kind": "access-zone",
                "frameId": "world",
                "bounds": {
                  "min": [
                    8400,
                    700,
                    0
                  ],
                  "max": [
                    10800,
                    2800,
                    2200
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 10,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "requiredDepthMm": 800
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "stored-crate",
                "name": "Stored Crate",
                "kind": "obstacle",
                "frameId": "world",
                "bounds": {
                  "min": [
                    8500,
                    900,
                    0
                  ],
                  "max": [
                    9300,
                    1700,
                    900
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 5,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "blocksAccess": true
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "clear-storage-bin",
                "name": "Clear Storage Bin",
                "kind": "object",
                "frameId": "world",
                "bounds": {
                  "min": [
                    10850,
                    500,
                    0
                  ],
                  "max": [
                    11600,
                    1200,
                    700
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 5,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "blocksAccess": false
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "relations": [
              {
                "id": "contains:world:building",
                "kind": "contains",
                "from": "world",
                "to": "building",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:building:ground-floor",
                "kind": "contains",
                "from": "building",
                "to": "ground-floor",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:ground-floor:lobby",
                "kind": "contains",
                "from": "ground-floor",
                "to": "lobby",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:ground-floor:corridor",
                "kind": "contains",
                "from": "ground-floor",
                "to": "corridor",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:ground-floor:mechanical-room",
                "kind": "contains",
                "from": "ground-floor",
                "to": "mechanical-room",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:lobby:front-door",
                "kind": "contains",
                "from": "lobby",
                "to": "front-door",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:lobby:sofa",
                "kind": "contains",
                "from": "lobby",
                "to": "sofa",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:mechanical-room:mechanical-door",
                "kind": "contains",
                "from": "mechanical-room",
                "to": "mechanical-door",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:mechanical-room:air-handler",
                "kind": "contains",
                "from": "mechanical-room",
                "to": "air-handler",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:mechanical-room:air-handler-access",
                "kind": "contains",
                "from": "mechanical-room",
                "to": "air-handler-access",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:mechanical-room:stored-crate",
                "kind": "contains",
                "from": "mechanical-room",
                "to": "stored-crate",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:mechanical-room:clear-storage-bin",
                "kind": "contains",
                "from": "mechanical-room",
                "to": "clear-storage-bin",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "lobby-front-door-corridor",
                "kind": "opens_into",
                "from": "lobby",
                "to": "corridor",
                "directed": false,
                "attributes": {
                  "openingId": "front-door",
                  "minimumClearanceMm": 950
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "corridor-mechanical-door-room",
                "kind": "opens_into",
                "from": "corridor",
                "to": "mechanical-room",
                "directed": false,
                "attributes": {
                  "openingId": "mechanical-door",
                  "minimumClearanceMm": 820
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "services:air-handler:zone",
                "kind": "services",
                "from": "air-handler",
                "to": "air-handler-access",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "supported:air-handler:ground-floor",
                "kind": "supported_by",
                "from": "air-handler",
                "to": "ground-floor",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "supported:sofa:ground-floor",
                "kind": "supported_by",
                "from": "sofa",
                "to": "ground-floor",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "metadata": {
              "unit": "mm",
              "description": "One-hop graph-neighborhood baseline context",
              "evidenceState": "IMPLEMENTED",
              "tags": [
                "architecture",
                "clearance",
                "service-access",
                "context-resolved"
              ]
            }
          },
          "stats": {
            "worldEntityCount": 13,
            "worldRelationCount": 17,
            "contextEntityCount": 13,
            "contextRelationCount": 17,
            "contextFrameCount": 1,
            "serializedBytes": 7834,
            "serializedTokens": 2151,
            "tokenizer": "o200k_base@gpt-tokenizer-4.0.0",
            "entityReductionRatio": 0,
            "relationReductionRatio": 0
          },
          "solverResult": {
            "solver": "architectural-clearance-policy-v1",
            "status": "FAIL",
            "precision": "BOUNDED",
            "summary": "2 project-policy clearance check(s) failed.",
            "result": {
              "policyId": "fixture-project-policy",
              "policyName": "Authored demonstration clearance policy",
              "checks": [
                {
                  "entityId": "front-door",
                  "rule": "opening width",
                  "status": "PASS",
                  "clearanceMm": {
                    "min": 44,
                    "max": 56
                  },
                  "note": "Demonstration project threshold only; not a building-code or professional certification."
                },
                {
                  "entityId": "front-door",
                  "rule": "opening headroom",
                  "status": "PASS",
                  "clearanceMm": {
                    "min": 94,
                    "max": 106
                  },
                  "note": "Demonstration project threshold only; not a building-code or professional certification."
                },
                {
                  "entityId": "mechanical-door",
                  "rule": "opening width",
                  "status": "FAIL",
                  "clearanceMm": {
                    "min": -86,
                    "max": -74
                  },
                  "note": "Demonstration project threshold only; not a building-code or professional certification."
                },
                {
                  "entityId": "mechanical-door",
                  "rule": "opening headroom",
                  "status": "PASS",
                  "clearanceMm": {
                    "min": 44,
                    "max": 56
                  },
                  "note": "Demonstration project threshold only; not a building-code or professional certification."
                },
                {
                  "entityId": "lobby",
                  "rule": "route width",
                  "status": "PASS",
                  "clearanceMm": {
                    "min": 400,
                    "max": 400
                  },
                  "note": "Demonstration project threshold only; not a building-code or professional certification."
                },
                {
                  "entityId": "corridor",
                  "rule": "route width",
                  "status": "PASS",
                  "clearanceMm": {
                    "min": 200,
                    "max": 200
                  },
                  "note": "Demonstration project threshold only; not a building-code or professional certification."
                },
                {
                  "entityId": "mechanical-room",
                  "rule": "route width",
                  "status": "FAIL",
                  "clearanceMm": {
                    "min": -150,
                    "max": -150
                  },
                  "note": "Demonstration project threshold only; not a building-code or professional certification."
                }
              ]
            },
            "trace": [
              {
                "code": "CLEARANCE_PASS",
                "message": "opening width: PASS",
                "entityIds": [
                  "front-door"
                ]
              },
              {
                "code": "CLEARANCE_PASS",
                "message": "opening headroom: PASS",
                "entityIds": [
                  "front-door"
                ]
              },
              {
                "code": "CLEARANCE_FAIL",
                "message": "opening width: FAIL",
                "entityIds": [
                  "mechanical-door"
                ]
              },
              {
                "code": "CLEARANCE_PASS",
                "message": "opening headroom: PASS",
                "entityIds": [
                  "mechanical-door"
                ]
              },
              {
                "code": "CLEARANCE_PASS",
                "message": "route width: PASS",
                "entityIds": [
                  "lobby"
                ]
              },
              {
                "code": "CLEARANCE_PASS",
                "message": "route width: PASS",
                "entityIds": [
                  "corridor"
                ]
              },
              {
                "code": "CLEARANCE_FAIL",
                "message": "route width: FAIL",
                "entityIds": [
                  "mechanical-room"
                ]
              }
            ],
            "warnings": [
              "This is an authored project-policy fixture, not a building-code compliance certification or professional engineering opinion."
            ]
          },
          "validationIssues": [
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity world has semantic state but no metric bounds",
              "entityId": "world"
            }
          ]
        },
        {
          "strategy": "SFT_OPERATIONAL",
          "sceneRevision": {
            "id": "sha256:71880593b846615ca053fbdbfa272d37768a7f1ba74e9187f4b4dabc8b9a8248",
            "contentId": "sha256:58a75ea1d736e5c3922fd123a48b5559106b3c98b950e3550c9862273fb8f6c2",
            "branch": "MAIN"
          },
          "compilation": {
            "status": "COMPILED",
            "source": "Check architectural clearance in ground floor",
            "normalizedSource": "check architectural clearance in ground floor",
            "matchedPattern": "architectural-clearance",
            "command": {
              "kind": "AUDIT_ARCHITECTURAL_CLEARANCE",
              "scopeEntityId": "ground-floor",
              "policyId": "fixture-project-policy"
            },
            "diagnostics": [],
            "candidates": []
          },
          "contract": {
            "schemaVersion": "sft.context-contract.v1",
            "worldContentId": "sha256:58a75ea1d736e5c3922fd123a48b5559106b3c98b950e3550c9862273fb8f6c2",
            "sceneRevisionId": "sha256:71880593b846615ca053fbdbfa272d37768a7f1ba74e9187f4b4dabc8b9a8248",
            "sceneRevisionBranch": "MAIN",
            "scenarioId": "architecture",
            "source": "Check architectural clearance in ground floor",
            "strategy": "SFT_OPERATIONAL",
            "command": {
              "kind": "AUDIT_ARCHITECTURAL_CLEARANCE",
              "scopeEntityId": "ground-floor",
              "policyId": "fixture-project-policy"
            },
            "solverAuthority": "architectural-clearance-policy-v1",
            "requiredEntityIds": [
              "air-handler",
              "air-handler-access",
              "building",
              "clear-storage-bin",
              "corridor",
              "front-door",
              "ground-floor",
              "lobby",
              "mechanical-door",
              "mechanical-room",
              "sofa",
              "stored-crate",
              "world"
            ],
            "requiredRelationIds": [
              "contains:building:ground-floor",
              "contains:ground-floor:corridor",
              "contains:ground-floor:lobby",
              "contains:ground-floor:mechanical-room",
              "contains:lobby:front-door",
              "contains:lobby:sofa",
              "contains:mechanical-room:air-handler",
              "contains:mechanical-room:air-handler-access",
              "contains:mechanical-room:clear-storage-bin",
              "contains:mechanical-room:mechanical-door",
              "contains:mechanical-room:stored-crate",
              "contains:world:building",
              "corridor-mechanical-door-room",
              "lobby-front-door-corridor"
            ],
            "requiredFrameIds": [
              "world"
            ],
            "requiredMetricFacts": [
              {
                "id": "entity:corridor:attributes.routeWidthMm",
                "ownerType": "entity",
                "ownerId": "corridor",
                "path": "attributes.routeWidthMm",
                "precision": "EXACT",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:15197cf7214b58e67cae565e573ffd9aa44bcb81f8ee5d7185dfe8da0a16ef43"
              },
              {
                "id": "entity:front-door:bounds",
                "ownerType": "entity",
                "ownerId": "front-door",
                "path": "bounds",
                "precision": "BOUNDED",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:277e70c1878445105e0e72157745c13a7d9b07c55c78debd239327b997492a2c"
              },
              {
                "id": "entity:lobby:attributes.routeWidthMm",
                "ownerType": "entity",
                "ownerId": "lobby",
                "path": "attributes.routeWidthMm",
                "precision": "EXACT",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:55fdec963805de594b61b2c1692cadc2c1dfb844d6ac10c5bfed33c842087b2e"
              },
              {
                "id": "entity:mechanical-door:bounds",
                "ownerType": "entity",
                "ownerId": "mechanical-door",
                "path": "bounds",
                "precision": "BOUNDED",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:957309ffa5ab535b60e086589377d113f77de23ab0e7c56f970a1da66b32f841"
              },
              {
                "id": "entity:mechanical-room:attributes.routeWidthMm",
                "ownerType": "entity",
                "ownerId": "mechanical-room",
                "path": "attributes.routeWidthMm",
                "precision": "EXACT",
                "sourceId": "sft-runtime-fixture",
                "sourceHash": "sha256:7ffc2066e20c16e95c0b41167e334afe57ff4991b21c8d581611a3f516a786a9"
              },
              {
                "id": "policy:fixture-project-policy:minimumHeadroom",
                "ownerType": "policy",
                "ownerId": "fixture-project-policy",
                "path": "minimumHeadroom",
                "precision": "EXACT",
                "sourceId": "fixtureProjectPolicy",
                "sourceHash": "sha256:f53c1522e1b24122342d0b8f416e67adf8e8a45e27a1c0641843e19dd9d98aee"
              },
              {
                "id": "policy:fixture-project-policy:minimumOpeningWidth",
                "ownerType": "policy",
                "ownerId": "fixture-project-policy",
                "path": "minimumOpeningWidth",
                "precision": "EXACT",
                "sourceId": "fixtureProjectPolicy",
                "sourceHash": "sha256:aae54dda34dd1d77d4c3db737f8e497165886fa4f02e054fdbb0aaa31d51cca9"
              },
              {
                "id": "policy:fixture-project-policy:minimumRouteWidth",
                "ownerType": "policy",
                "ownerId": "fixture-project-policy",
                "path": "minimumRouteWidth",
                "precision": "EXACT",
                "sourceId": "fixtureProjectPolicy",
                "sourceHash": "sha256:4956951d33eb531347297baa7dcdc9bf79385078c4bac158f053e251f16038e4"
              }
            ],
            "requiredSolverCapabilities": [
              "architectural-clearance-policy-v1"
            ],
            "requirements": [
              {
                "code": "CLEARANCE_SCOPE",
                "description": "Openings, traversable spaces, authored route widths, and policy thresholds are required.",
                "entityIds": [
                  "air-handler",
                  "air-handler-access",
                  "clear-storage-bin",
                  "corridor",
                  "front-door",
                  "ground-floor",
                  "lobby",
                  "mechanical-door",
                  "mechanical-room",
                  "sofa",
                  "stored-crate"
                ],
                "relationIds": [
                  "contains:ground-floor:corridor",
                  "contains:ground-floor:lobby",
                  "contains:ground-floor:mechanical-room",
                  "contains:lobby:front-door",
                  "contains:lobby:sofa",
                  "contains:mechanical-room:air-handler",
                  "contains:mechanical-room:air-handler-access",
                  "contains:mechanical-room:clear-storage-bin",
                  "contains:mechanical-room:mechanical-door",
                  "contains:mechanical-room:stored-crate",
                  "corridor-mechanical-door-room",
                  "lobby-front-door-corridor"
                ],
                "metricFactIds": [
                  "entity:corridor:attributes.routeWidthMm",
                  "entity:front-door:bounds",
                  "entity:lobby:attributes.routeWidthMm",
                  "entity:mechanical-door:bounds",
                  "entity:mechanical-room:attributes.routeWidthMm",
                  "policy:fixture-project-policy:minimumHeadroom",
                  "policy:fixture-project-policy:minimumOpeningWidth",
                  "policy:fixture-project-policy:minimumRouteWidth"
                ],
                "solverCapabilities": [
                  "architectural-clearance-policy-v1"
                ],
                "requiredPrecision": "BOUNDED"
              }
            ],
            "missingEvidence": [],
            "authorityBoundary": "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged.",
            "id": "sha256:2860bcb19c27e0fc2b2ec1b823cd6ebff7a19ff17070eb42269669c161768f16"
          },
          "contextContentId": "sha256:4f2ab68688be138887c06f69eaf76c0b4828b474c75c4cdb1022a531613b62b1",
          "contextGraph": {
            "schemaVersion": "sft.scene.v1",
            "id": "architecture-fixture-context",
            "name": "Architectural clearance and service-access fixture — context",
            "rootEntityId": "world",
            "frames": [
              {
                "id": "world",
                "name": "Fixture world frame",
                "origin": [
                  0,
                  0,
                  0
                ],
                "basis": [
                  [
                    1,
                    0,
                    0
                  ],
                  [
                    0,
                    1,
                    0
                  ],
                  [
                    0,
                    0,
                    1
                  ]
                ],
                "unit": "mm",
                "precision": "EXACT",
                "tolerance": 0
              }
            ],
            "entities": [
              {
                "id": "world",
                "name": "World",
                "kind": "world",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "building",
                "name": "Prototype Building",
                "kind": "building",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "max": [
                    12000,
                    8000,
                    3200
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "ground-floor",
                "name": "Ground Floor",
                "kind": "level",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "max": [
                    12000,
                    8000,
                    3000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "lobby",
                "name": "Lobby",
                "kind": "space",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "max": [
                    3500,
                    4000,
                    3000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "routeWidthMm": 1400
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "corridor",
                "name": "Main Corridor",
                "kind": "space",
                "frameId": "world",
                "bounds": {
                  "min": [
                    3500,
                    0,
                    0
                  ],
                  "max": [
                    8000,
                    1800,
                    3000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "routeWidthMm": 1200
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "mechanical-room",
                "name": "Mechanical Room",
                "kind": "space",
                "frameId": "world",
                "bounds": {
                  "min": [
                    8000,
                    0,
                    0
                  ],
                  "max": [
                    12000,
                    4000,
                    3000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "routeWidthMm": 850
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "front-door",
                "name": "Front Door",
                "kind": "opening",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    1200,
                    0
                  ],
                  "max": [
                    100,
                    2150,
                    2100
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 3,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "mechanical-door",
                "name": "Mechanical Door",
                "kind": "opening",
                "frameId": "world",
                "bounds": {
                  "min": [
                    7900,
                    400,
                    0
                  ],
                  "max": [
                    8000,
                    1220,
                    2050
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 3,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "sofa",
                "name": "Lobby Sofa",
                "kind": "object",
                "frameId": "world",
                "bounds": {
                  "min": [
                    600,
                    800,
                    0
                  ],
                  "max": [
                    1500,
                    2900,
                    850
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 5,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "movable": true
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "air-handler",
                "name": "Air Handler",
                "kind": "service",
                "frameId": "world",
                "bounds": {
                  "min": [
                    9000,
                    1000,
                    0
                  ],
                  "max": [
                    10200,
                    2100,
                    1900
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 5,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "system": "HVAC"
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "air-handler-access",
                "name": "Air Handler Service Zone",
                "kind": "access-zone",
                "frameId": "world",
                "bounds": {
                  "min": [
                    8400,
                    700,
                    0
                  ],
                  "max": [
                    10800,
                    2800,
                    2200
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 10,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "requiredDepthMm": 800
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "stored-crate",
                "name": "Stored Crate",
                "kind": "obstacle",
                "frameId": "world",
                "bounds": {
                  "min": [
                    8500,
                    900,
                    0
                  ],
                  "max": [
                    9300,
                    1700,
                    900
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 5,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "blocksAccess": true
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "clear-storage-bin",
                "name": "Clear Storage Bin",
                "kind": "object",
                "frameId": "world",
                "bounds": {
                  "min": [
                    10850,
                    500,
                    0
                  ],
                  "max": [
                    11600,
                    1200,
                    700
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 5,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "blocksAccess": false
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "relations": [
              {
                "id": "contains:world:building",
                "kind": "contains",
                "from": "world",
                "to": "building",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:building:ground-floor",
                "kind": "contains",
                "from": "building",
                "to": "ground-floor",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:ground-floor:lobby",
                "kind": "contains",
                "from": "ground-floor",
                "to": "lobby",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:ground-floor:corridor",
                "kind": "contains",
                "from": "ground-floor",
                "to": "corridor",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:ground-floor:mechanical-room",
                "kind": "contains",
                "from": "ground-floor",
                "to": "mechanical-room",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:lobby:front-door",
                "kind": "contains",
                "from": "lobby",
                "to": "front-door",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:lobby:sofa",
                "kind": "contains",
                "from": "lobby",
                "to": "sofa",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:mechanical-room:mechanical-door",
                "kind": "contains",
                "from": "mechanical-room",
                "to": "mechanical-door",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:mechanical-room:air-handler",
                "kind": "contains",
                "from": "mechanical-room",
                "to": "air-handler",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:mechanical-room:air-handler-access",
                "kind": "contains",
                "from": "mechanical-room",
                "to": "air-handler-access",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:mechanical-room:stored-crate",
                "kind": "contains",
                "from": "mechanical-room",
                "to": "stored-crate",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:mechanical-room:clear-storage-bin",
                "kind": "contains",
                "from": "mechanical-room",
                "to": "clear-storage-bin",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "lobby-front-door-corridor",
                "kind": "opens_into",
                "from": "lobby",
                "to": "corridor",
                "directed": false,
                "attributes": {
                  "openingId": "front-door",
                  "minimumClearanceMm": 950
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "corridor-mechanical-door-room",
                "kind": "opens_into",
                "from": "corridor",
                "to": "mechanical-room",
                "directed": false,
                "attributes": {
                  "openingId": "mechanical-door",
                  "minimumClearanceMm": 820
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "metadata": {
              "unit": "mm",
              "description": "Operation-directed SFT context",
              "evidenceState": "IMPLEMENTED",
              "tags": [
                "architecture",
                "clearance",
                "service-access",
                "context-resolved"
              ]
            }
          },
          "stats": {
            "worldEntityCount": 13,
            "worldRelationCount": 17,
            "contextEntityCount": 13,
            "contextRelationCount": 14,
            "contextFrameCount": 1,
            "serializedBytes": 7230,
            "serializedTokens": 1997,
            "tokenizer": "o200k_base@gpt-tokenizer-4.0.0",
            "entityReductionRatio": 0,
            "relationReductionRatio": 0.17647058823529416
          },
          "solverResult": {
            "solver": "architectural-clearance-policy-v1",
            "status": "FAIL",
            "precision": "BOUNDED",
            "summary": "2 project-policy clearance check(s) failed.",
            "result": {
              "policyId": "fixture-project-policy",
              "policyName": "Authored demonstration clearance policy",
              "checks": [
                {
                  "entityId": "front-door",
                  "rule": "opening width",
                  "status": "PASS",
                  "clearanceMm": {
                    "min": 44,
                    "max": 56
                  },
                  "note": "Demonstration project threshold only; not a building-code or professional certification."
                },
                {
                  "entityId": "front-door",
                  "rule": "opening headroom",
                  "status": "PASS",
                  "clearanceMm": {
                    "min": 94,
                    "max": 106
                  },
                  "note": "Demonstration project threshold only; not a building-code or professional certification."
                },
                {
                  "entityId": "mechanical-door",
                  "rule": "opening width",
                  "status": "FAIL",
                  "clearanceMm": {
                    "min": -86,
                    "max": -74
                  },
                  "note": "Demonstration project threshold only; not a building-code or professional certification."
                },
                {
                  "entityId": "mechanical-door",
                  "rule": "opening headroom",
                  "status": "PASS",
                  "clearanceMm": {
                    "min": 44,
                    "max": 56
                  },
                  "note": "Demonstration project threshold only; not a building-code or professional certification."
                },
                {
                  "entityId": "lobby",
                  "rule": "route width",
                  "status": "PASS",
                  "clearanceMm": {
                    "min": 400,
                    "max": 400
                  },
                  "note": "Demonstration project threshold only; not a building-code or professional certification."
                },
                {
                  "entityId": "corridor",
                  "rule": "route width",
                  "status": "PASS",
                  "clearanceMm": {
                    "min": 200,
                    "max": 200
                  },
                  "note": "Demonstration project threshold only; not a building-code or professional certification."
                },
                {
                  "entityId": "mechanical-room",
                  "rule": "route width",
                  "status": "FAIL",
                  "clearanceMm": {
                    "min": -150,
                    "max": -150
                  },
                  "note": "Demonstration project threshold only; not a building-code or professional certification."
                }
              ]
            },
            "trace": [
              {
                "code": "CLEARANCE_PASS",
                "message": "opening width: PASS",
                "entityIds": [
                  "front-door"
                ]
              },
              {
                "code": "CLEARANCE_PASS",
                "message": "opening headroom: PASS",
                "entityIds": [
                  "front-door"
                ]
              },
              {
                "code": "CLEARANCE_FAIL",
                "message": "opening width: FAIL",
                "entityIds": [
                  "mechanical-door"
                ]
              },
              {
                "code": "CLEARANCE_PASS",
                "message": "opening headroom: PASS",
                "entityIds": [
                  "mechanical-door"
                ]
              },
              {
                "code": "CLEARANCE_PASS",
                "message": "route width: PASS",
                "entityIds": [
                  "lobby"
                ]
              },
              {
                "code": "CLEARANCE_PASS",
                "message": "route width: PASS",
                "entityIds": [
                  "corridor"
                ]
              },
              {
                "code": "CLEARANCE_FAIL",
                "message": "route width: FAIL",
                "entityIds": [
                  "mechanical-room"
                ]
              }
            ],
            "warnings": [
              "This is an authored project-policy fixture, not a building-code compliance certification or professional engineering opinion."
            ]
          },
          "validationIssues": [
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity world has semantic state but no metric bounds",
              "entityId": "world"
            }
          ]
        }
      ]
    },
    {
      "id": "assembly-order",
      "scenarioId": "assembly",
      "query": "Audit assembly order for cabinet assembly",
      "command": null,
      "strategies": [
        {
          "strategy": "FULL_SCENE",
          "sceneRevision": {
            "id": "sha256:e6fee0ee7a7ad9484b7113da27d2f68a16f4aa79258217ff85e8643992099c2a",
            "contentId": "sha256:e7dfa157b713fcffee9c9f039fc46d2ab565fd1d03f214d63c56d808a353cce6",
            "branch": "MAIN"
          },
          "compilation": {
            "status": "COMPILED",
            "source": "Audit assembly order for cabinet assembly",
            "normalizedSource": "audit assembly order for cabinet assembly",
            "matchedPattern": "assembly-order",
            "command": {
              "kind": "AUDIT_ASSEMBLY",
              "assemblyId": "cabinet"
            },
            "diagnostics": [],
            "candidates": []
          },
          "contract": {
            "schemaVersion": "sft.context-contract.v1",
            "worldContentId": "sha256:e7dfa157b713fcffee9c9f039fc46d2ab565fd1d03f214d63c56d808a353cce6",
            "sceneRevisionId": "sha256:e6fee0ee7a7ad9484b7113da27d2f68a16f4aa79258217ff85e8643992099c2a",
            "sceneRevisionBranch": "MAIN",
            "scenarioId": "assembly",
            "source": "Audit assembly order for cabinet assembly",
            "strategy": "FULL_SCENE",
            "command": {
              "kind": "AUDIT_ASSEMBLY",
              "assemblyId": "cabinet"
            },
            "solverAuthority": "assembly-toposort-v1",
            "requiredEntityIds": [
              "cabinet",
              "cabinet-base",
              "cabinet-door",
              "cabinet-top",
              "fixed-shelf",
              "left-side",
              "right-side",
              "world"
            ],
            "requiredRelationIds": [
              "attached:door:left",
              "contains:cabinet:cabinet-base",
              "contains:cabinet:cabinet-door",
              "contains:cabinet:cabinet-top",
              "contains:cabinet:fixed-shelf",
              "contains:cabinet:left-side",
              "contains:cabinet:right-side",
              "contains:world:cabinet",
              "order:base:left",
              "order:base:right",
              "order:left:shelf",
              "order:right:shelf",
              "order:shelf:top",
              "order:top:door"
            ],
            "requiredFrameIds": [
              "world"
            ],
            "requiredMetricFacts": [],
            "requiredSolverCapabilities": [
              "assembly-toposort-v1"
            ],
            "requirements": [
              {
                "code": "ASSEMBLY_PRECEDENCE",
                "description": "Assembly members and requires_before edges define the ordering proof.",
                "entityIds": [
                  "cabinet",
                  "cabinet-base",
                  "cabinet-door",
                  "cabinet-top",
                  "fixed-shelf",
                  "left-side",
                  "right-side"
                ],
                "relationIds": [
                  "order:base:left",
                  "order:base:right",
                  "order:left:shelf",
                  "order:right:shelf",
                  "order:shelf:top",
                  "order:top:door"
                ],
                "metricFactIds": [],
                "solverCapabilities": [
                  "assembly-toposort-v1"
                ],
                "requiredPrecision": "SEMANTIC_ONLY"
              }
            ],
            "missingEvidence": [],
            "authorityBoundary": "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged.",
            "id": "sha256:a963d876f6a25881ef86f6b5864fcbcb504f622857b3627e19045ad98cd245a5"
          },
          "contextContentId": "sha256:e7dfa157b713fcffee9c9f039fc46d2ab565fd1d03f214d63c56d808a353cce6",
          "contextGraph": {
            "entities": [
              {
                "attributes": {},
                "frameId": "world",
                "id": "world",
                "kind": "world",
                "name": "World",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {},
                "frameId": "world",
                "id": "cabinet",
                "kind": "assembly",
                "name": "Cabinet Assembly",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {},
                "bounds": {
                  "frameId": "world",
                  "max": [
                    900,
                    600,
                    20
                  ],
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "precision": "EXACT",
                  "source": "authored",
                  "tolerance": 0,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "cabinet-base",
                "kind": "part",
                "name": "Cabinet Base",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {},
                "bounds": {
                  "frameId": "world",
                  "max": [
                    20,
                    600,
                    900
                  ],
                  "min": [
                    0,
                    0,
                    20
                  ],
                  "precision": "EXACT",
                  "source": "authored",
                  "tolerance": 0,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "left-side",
                "kind": "part",
                "name": "Left Side",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {},
                "bounds": {
                  "frameId": "world",
                  "max": [
                    900,
                    600,
                    900
                  ],
                  "min": [
                    880,
                    0,
                    20
                  ],
                  "precision": "EXACT",
                  "source": "authored",
                  "tolerance": 0,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "right-side",
                "kind": "part",
                "name": "Right Side",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {},
                "bounds": {
                  "frameId": "world",
                  "max": [
                    880,
                    600,
                    450
                  ],
                  "min": [
                    20,
                    0,
                    430
                  ],
                  "precision": "EXACT",
                  "source": "authored",
                  "tolerance": 0,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "fixed-shelf",
                "kind": "part",
                "name": "Fixed Shelf",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {},
                "bounds": {
                  "frameId": "world",
                  "max": [
                    900,
                    600,
                    920
                  ],
                  "min": [
                    0,
                    0,
                    900
                  ],
                  "precision": "EXACT",
                  "source": "authored",
                  "tolerance": 0,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "cabinet-top",
                "kind": "part",
                "name": "Cabinet Top",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {},
                "bounds": {
                  "frameId": "world",
                  "max": [
                    880,
                    20,
                    890
                  ],
                  "min": [
                    20,
                    0,
                    20
                  ],
                  "precision": "EXACT",
                  "source": "authored",
                  "tolerance": 0,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "cabinet-door",
                "kind": "part",
                "name": "Cabinet Door",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "frames": [
              {
                "basis": [
                  [
                    1,
                    0,
                    0
                  ],
                  [
                    0,
                    1,
                    0
                  ],
                  [
                    0,
                    0,
                    1
                  ]
                ],
                "id": "world",
                "name": "Fixture world frame",
                "origin": [
                  0,
                  0,
                  0
                ],
                "precision": "EXACT",
                "tolerance": 0,
                "unit": "mm"
              }
            ],
            "id": "assembly-fixture",
            "metadata": {
              "description": "A typed part hierarchy with explicit precedence constraints and a deterministic order.",
              "evidenceState": "IMPLEMENTED",
              "tags": [
                "assembly",
                "sequence",
                "constraints"
              ],
              "unit": "mm"
            },
            "name": "Cabinet assembly fixture",
            "relations": [
              {
                "attributes": {},
                "directed": true,
                "from": "world",
                "id": "contains:world:cabinet",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "cabinet"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "cabinet",
                "id": "contains:cabinet:cabinet-base",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "cabinet-base"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "cabinet",
                "id": "contains:cabinet:left-side",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "left-side"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "cabinet",
                "id": "contains:cabinet:right-side",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "right-side"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "cabinet",
                "id": "contains:cabinet:fixed-shelf",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "fixed-shelf"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "cabinet",
                "id": "contains:cabinet:cabinet-top",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "cabinet-top"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "cabinet",
                "id": "contains:cabinet:cabinet-door",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "cabinet-door"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "cabinet-base",
                "id": "order:base:left",
                "kind": "requires_before",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "left-side"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "cabinet-base",
                "id": "order:base:right",
                "kind": "requires_before",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "right-side"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "left-side",
                "id": "order:left:shelf",
                "kind": "requires_before",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "fixed-shelf"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "right-side",
                "id": "order:right:shelf",
                "kind": "requires_before",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "fixed-shelf"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "fixed-shelf",
                "id": "order:shelf:top",
                "kind": "requires_before",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "cabinet-top"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "cabinet-top",
                "id": "order:top:door",
                "kind": "requires_before",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "cabinet-door"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "cabinet-door",
                "id": "attached:door:left",
                "kind": "attached_to",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "left-side"
              }
            ],
            "rootEntityId": "world",
            "schemaVersion": "sft.scene.v1"
          },
          "stats": {
            "worldEntityCount": 8,
            "worldRelationCount": 14,
            "contextEntityCount": 8,
            "contextRelationCount": 14,
            "contextFrameCount": 1,
            "serializedBytes": 5125,
            "serializedTokens": 1417,
            "tokenizer": "o200k_base@gpt-tokenizer-4.0.0",
            "entityReductionRatio": 0,
            "relationReductionRatio": 0
          },
          "solverResult": {
            "solver": "assembly-toposort-v1",
            "status": "PASS",
            "precision": "EXACT",
            "summary": "A deterministic 6-step assembly order was derived for Cabinet Assembly.",
            "result": {
              "orderedSteps": [
                {
                  "step": 1,
                  "entityId": "cabinet-base",
                  "name": "Cabinet Base"
                },
                {
                  "step": 2,
                  "entityId": "left-side",
                  "name": "Left Side"
                },
                {
                  "step": 3,
                  "entityId": "right-side",
                  "name": "Right Side"
                },
                {
                  "step": 4,
                  "entityId": "fixed-shelf",
                  "name": "Fixed Shelf"
                },
                {
                  "step": 5,
                  "entityId": "cabinet-top",
                  "name": "Cabinet Top"
                },
                {
                  "step": 6,
                  "entityId": "cabinet-door",
                  "name": "Cabinet Door"
                }
              ],
              "constraintRelationIds": [
                "order:base:left",
                "order:base:right",
                "order:left:shelf",
                "order:right:shelf",
                "order:shelf:top",
                "order:top:door"
              ]
            },
            "trace": [
              {
                "code": "TOPOLOGICAL_ORDER",
                "message": "Resolved 6 ordering constraint(s).",
                "entityIds": [
                  "cabinet-base",
                  "left-side",
                  "right-side",
                  "fixed-shelf",
                  "cabinet-top",
                  "cabinet-door"
                ]
              }
            ],
            "warnings": [
              "The order validates declared precedence only; it does not prove tool access, human ergonomics, fastener torque, or structural adequacy."
            ]
          },
          "validationIssues": [
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity world has semantic state but no metric bounds",
              "entityId": "world"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity cabinet has semantic state but no metric bounds",
              "entityId": "cabinet"
            }
          ]
        },
        {
          "strategy": "LEXICAL_TOP_K",
          "sceneRevision": {
            "id": "sha256:e6fee0ee7a7ad9484b7113da27d2f68a16f4aa79258217ff85e8643992099c2a",
            "contentId": "sha256:e7dfa157b713fcffee9c9f039fc46d2ab565fd1d03f214d63c56d808a353cce6",
            "branch": "MAIN"
          },
          "compilation": {
            "status": "COMPILED",
            "source": "Audit assembly order for cabinet assembly",
            "normalizedSource": "audit assembly order for cabinet assembly",
            "matchedPattern": "assembly-order",
            "command": {
              "kind": "AUDIT_ASSEMBLY",
              "assemblyId": "cabinet"
            },
            "diagnostics": [],
            "candidates": []
          },
          "contract": {
            "schemaVersion": "sft.context-contract.v1",
            "worldContentId": "sha256:e7dfa157b713fcffee9c9f039fc46d2ab565fd1d03f214d63c56d808a353cce6",
            "sceneRevisionId": "sha256:e6fee0ee7a7ad9484b7113da27d2f68a16f4aa79258217ff85e8643992099c2a",
            "sceneRevisionBranch": "MAIN",
            "scenarioId": "assembly",
            "source": "Audit assembly order for cabinet assembly",
            "strategy": "LEXICAL_TOP_K",
            "command": {
              "kind": "AUDIT_ASSEMBLY",
              "assemblyId": "cabinet"
            },
            "solverAuthority": "assembly-toposort-v1",
            "requiredEntityIds": [
              "cabinet",
              "cabinet-base",
              "cabinet-door",
              "cabinet-top",
              "fixed-shelf",
              "left-side",
              "right-side",
              "world"
            ],
            "requiredRelationIds": [
              "attached:door:left",
              "contains:cabinet:cabinet-base",
              "contains:cabinet:cabinet-door",
              "contains:cabinet:cabinet-top",
              "contains:cabinet:fixed-shelf",
              "contains:cabinet:left-side",
              "contains:cabinet:right-side",
              "contains:world:cabinet",
              "order:base:left",
              "order:base:right",
              "order:left:shelf",
              "order:right:shelf",
              "order:shelf:top",
              "order:top:door"
            ],
            "requiredFrameIds": [
              "world"
            ],
            "requiredMetricFacts": [],
            "requiredSolverCapabilities": [
              "assembly-toposort-v1"
            ],
            "requirements": [
              {
                "code": "ASSEMBLY_PRECEDENCE",
                "description": "Assembly members and requires_before edges define the ordering proof.",
                "entityIds": [
                  "cabinet",
                  "cabinet-base",
                  "cabinet-door",
                  "cabinet-top",
                  "fixed-shelf",
                  "left-side",
                  "right-side"
                ],
                "relationIds": [
                  "order:base:left",
                  "order:base:right",
                  "order:left:shelf",
                  "order:right:shelf",
                  "order:shelf:top",
                  "order:top:door"
                ],
                "metricFactIds": [],
                "solverCapabilities": [
                  "assembly-toposort-v1"
                ],
                "requiredPrecision": "SEMANTIC_ONLY"
              }
            ],
            "missingEvidence": [
              {
                "code": "REQUIRED_ENTITY_NOT_SELECTED",
                "message": "3 required entity or containment ancestor(s) are absent from the selected context.",
                "entityIds": [
                  "fixed-shelf",
                  "left-side",
                  "right-side"
                ],
                "relationIds": [],
                "metricFactIds": [],
                "solverCapabilities": []
              },
              {
                "code": "REQUIRED_RELATION_NOT_SELECTED",
                "message": "9 required relation(s) are absent from the selected context.",
                "entityIds": [],
                "relationIds": [
                  "attached:door:left",
                  "contains:cabinet:fixed-shelf",
                  "contains:cabinet:left-side",
                  "contains:cabinet:right-side",
                  "order:base:left",
                  "order:base:right",
                  "order:left:shelf",
                  "order:right:shelf",
                  "order:shelf:top"
                ],
                "metricFactIds": [],
                "solverCapabilities": []
              }
            ],
            "authorityBoundary": "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged.",
            "id": "sha256:a9d44afc500ec5d5b5495ae7efce198f67e95000075e5450b4f5f9644a789a7d"
          },
          "contextContentId": "sha256:fd12bae5e869bc19295d8a70c363b0e36d81217617250b74e7db967b51226fd8",
          "contextGraph": {
            "schemaVersion": "sft.scene.v1",
            "id": "assembly-fixture-context",
            "name": "Cabinet assembly fixture — context",
            "rootEntityId": "world",
            "frames": [
              {
                "id": "world",
                "name": "Fixture world frame",
                "origin": [
                  0,
                  0,
                  0
                ],
                "basis": [
                  [
                    1,
                    0,
                    0
                  ],
                  [
                    0,
                    1,
                    0
                  ],
                  [
                    0,
                    0,
                    1
                  ]
                ],
                "unit": "mm",
                "precision": "EXACT",
                "tolerance": 0
              }
            ],
            "entities": [
              {
                "id": "world",
                "name": "World",
                "kind": "world",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "cabinet",
                "name": "Cabinet Assembly",
                "kind": "assembly",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "cabinet-base",
                "name": "Cabinet Base",
                "kind": "part",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "max": [
                    900,
                    600,
                    20
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "cabinet-top",
                "name": "Cabinet Top",
                "kind": "part",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    900
                  ],
                  "max": [
                    900,
                    600,
                    920
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "cabinet-door",
                "name": "Cabinet Door",
                "kind": "part",
                "frameId": "world",
                "bounds": {
                  "min": [
                    20,
                    0,
                    20
                  ],
                  "max": [
                    880,
                    20,
                    890
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "relations": [
              {
                "id": "contains:world:cabinet",
                "kind": "contains",
                "from": "world",
                "to": "cabinet",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:cabinet:cabinet-base",
                "kind": "contains",
                "from": "cabinet",
                "to": "cabinet-base",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:cabinet:cabinet-top",
                "kind": "contains",
                "from": "cabinet",
                "to": "cabinet-top",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:cabinet:cabinet-door",
                "kind": "contains",
                "from": "cabinet",
                "to": "cabinet-door",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "order:top:door",
                "kind": "requires_before",
                "from": "cabinet-top",
                "to": "cabinet-door",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "metadata": {
              "unit": "mm",
              "description": "Lexical top-k baseline context",
              "evidenceState": "IMPLEMENTED",
              "tags": [
                "assembly",
                "sequence",
                "constraints",
                "context-resolved"
              ]
            }
          },
          "stats": {
            "worldEntityCount": 8,
            "worldRelationCount": 14,
            "contextEntityCount": 5,
            "contextRelationCount": 5,
            "contextFrameCount": 1,
            "serializedBytes": 2575,
            "serializedTokens": 722,
            "tokenizer": "o200k_base@gpt-tokenizer-4.0.0",
            "entityReductionRatio": 0.375,
            "relationReductionRatio": 0.6428571428571428
          },
          "solverResult": {
            "solver": "assembly-toposort-v1",
            "status": "UNKNOWN",
            "precision": "UNKNOWN",
            "summary": "The operation was not executed because required evidence is missing.",
            "result": {
              "missingEvidence": [
                {
                  "code": "REQUIRED_ENTITY_NOT_SELECTED",
                  "message": "3 required entity or containment ancestor(s) are absent from the selected context."
                },
                {
                  "code": "REQUIRED_RELATION_NOT_SELECTED",
                  "message": "9 required relation(s) are absent from the selected context."
                }
              ]
            },
            "trace": [
              {
                "code": "EVIDENCE_GATE",
                "message": "The Context Resolver refused to promote an under-specified operation to a solver conclusion."
              }
            ],
            "warnings": [
              "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged."
            ]
          },
          "validationIssues": [
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity world has semantic state but no metric bounds",
              "entityId": "world"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity cabinet has semantic state but no metric bounds",
              "entityId": "cabinet"
            }
          ]
        },
        {
          "strategy": "GRAPH_NEIGHBORHOOD",
          "sceneRevision": {
            "id": "sha256:e6fee0ee7a7ad9484b7113da27d2f68a16f4aa79258217ff85e8643992099c2a",
            "contentId": "sha256:e7dfa157b713fcffee9c9f039fc46d2ab565fd1d03f214d63c56d808a353cce6",
            "branch": "MAIN"
          },
          "compilation": {
            "status": "COMPILED",
            "source": "Audit assembly order for cabinet assembly",
            "normalizedSource": "audit assembly order for cabinet assembly",
            "matchedPattern": "assembly-order",
            "command": {
              "kind": "AUDIT_ASSEMBLY",
              "assemblyId": "cabinet"
            },
            "diagnostics": [],
            "candidates": []
          },
          "contract": {
            "schemaVersion": "sft.context-contract.v1",
            "worldContentId": "sha256:e7dfa157b713fcffee9c9f039fc46d2ab565fd1d03f214d63c56d808a353cce6",
            "sceneRevisionId": "sha256:e6fee0ee7a7ad9484b7113da27d2f68a16f4aa79258217ff85e8643992099c2a",
            "sceneRevisionBranch": "MAIN",
            "scenarioId": "assembly",
            "source": "Audit assembly order for cabinet assembly",
            "strategy": "GRAPH_NEIGHBORHOOD",
            "command": {
              "kind": "AUDIT_ASSEMBLY",
              "assemblyId": "cabinet"
            },
            "solverAuthority": "assembly-toposort-v1",
            "requiredEntityIds": [
              "cabinet",
              "cabinet-base",
              "cabinet-door",
              "cabinet-top",
              "fixed-shelf",
              "left-side",
              "right-side",
              "world"
            ],
            "requiredRelationIds": [
              "attached:door:left",
              "contains:cabinet:cabinet-base",
              "contains:cabinet:cabinet-door",
              "contains:cabinet:cabinet-top",
              "contains:cabinet:fixed-shelf",
              "contains:cabinet:left-side",
              "contains:cabinet:right-side",
              "contains:world:cabinet",
              "order:base:left",
              "order:base:right",
              "order:left:shelf",
              "order:right:shelf",
              "order:shelf:top",
              "order:top:door"
            ],
            "requiredFrameIds": [
              "world"
            ],
            "requiredMetricFacts": [],
            "requiredSolverCapabilities": [
              "assembly-toposort-v1"
            ],
            "requirements": [
              {
                "code": "ASSEMBLY_PRECEDENCE",
                "description": "Assembly members and requires_before edges define the ordering proof.",
                "entityIds": [
                  "cabinet",
                  "cabinet-base",
                  "cabinet-door",
                  "cabinet-top",
                  "fixed-shelf",
                  "left-side",
                  "right-side"
                ],
                "relationIds": [
                  "order:base:left",
                  "order:base:right",
                  "order:left:shelf",
                  "order:right:shelf",
                  "order:shelf:top",
                  "order:top:door"
                ],
                "metricFactIds": [],
                "solverCapabilities": [
                  "assembly-toposort-v1"
                ],
                "requiredPrecision": "SEMANTIC_ONLY"
              }
            ],
            "missingEvidence": [],
            "authorityBoundary": "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged.",
            "id": "sha256:949e0ec93f8e5fa11b6559c7bf9513c5400f8ecaa62233213cbd3cd9518a322f"
          },
          "contextContentId": "sha256:64627ac0067efd05b5847a9f8e16bbf9b633ae1933f7544898d973d109207e8c",
          "contextGraph": {
            "schemaVersion": "sft.scene.v1",
            "id": "assembly-fixture-context",
            "name": "Cabinet assembly fixture — context",
            "rootEntityId": "world",
            "frames": [
              {
                "id": "world",
                "name": "Fixture world frame",
                "origin": [
                  0,
                  0,
                  0
                ],
                "basis": [
                  [
                    1,
                    0,
                    0
                  ],
                  [
                    0,
                    1,
                    0
                  ],
                  [
                    0,
                    0,
                    1
                  ]
                ],
                "unit": "mm",
                "precision": "EXACT",
                "tolerance": 0
              }
            ],
            "entities": [
              {
                "id": "world",
                "name": "World",
                "kind": "world",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "cabinet",
                "name": "Cabinet Assembly",
                "kind": "assembly",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "cabinet-base",
                "name": "Cabinet Base",
                "kind": "part",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "max": [
                    900,
                    600,
                    20
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "left-side",
                "name": "Left Side",
                "kind": "part",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    20
                  ],
                  "max": [
                    20,
                    600,
                    900
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "right-side",
                "name": "Right Side",
                "kind": "part",
                "frameId": "world",
                "bounds": {
                  "min": [
                    880,
                    0,
                    20
                  ],
                  "max": [
                    900,
                    600,
                    900
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "fixed-shelf",
                "name": "Fixed Shelf",
                "kind": "part",
                "frameId": "world",
                "bounds": {
                  "min": [
                    20,
                    0,
                    430
                  ],
                  "max": [
                    880,
                    600,
                    450
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "cabinet-top",
                "name": "Cabinet Top",
                "kind": "part",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    900
                  ],
                  "max": [
                    900,
                    600,
                    920
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "cabinet-door",
                "name": "Cabinet Door",
                "kind": "part",
                "frameId": "world",
                "bounds": {
                  "min": [
                    20,
                    0,
                    20
                  ],
                  "max": [
                    880,
                    20,
                    890
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "relations": [
              {
                "id": "contains:world:cabinet",
                "kind": "contains",
                "from": "world",
                "to": "cabinet",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:cabinet:cabinet-base",
                "kind": "contains",
                "from": "cabinet",
                "to": "cabinet-base",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:cabinet:left-side",
                "kind": "contains",
                "from": "cabinet",
                "to": "left-side",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:cabinet:right-side",
                "kind": "contains",
                "from": "cabinet",
                "to": "right-side",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:cabinet:fixed-shelf",
                "kind": "contains",
                "from": "cabinet",
                "to": "fixed-shelf",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:cabinet:cabinet-top",
                "kind": "contains",
                "from": "cabinet",
                "to": "cabinet-top",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:cabinet:cabinet-door",
                "kind": "contains",
                "from": "cabinet",
                "to": "cabinet-door",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "order:base:left",
                "kind": "requires_before",
                "from": "cabinet-base",
                "to": "left-side",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "order:base:right",
                "kind": "requires_before",
                "from": "cabinet-base",
                "to": "right-side",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "order:left:shelf",
                "kind": "requires_before",
                "from": "left-side",
                "to": "fixed-shelf",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "order:right:shelf",
                "kind": "requires_before",
                "from": "right-side",
                "to": "fixed-shelf",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "order:shelf:top",
                "kind": "requires_before",
                "from": "fixed-shelf",
                "to": "cabinet-top",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "order:top:door",
                "kind": "requires_before",
                "from": "cabinet-top",
                "to": "cabinet-door",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "attached:door:left",
                "kind": "attached_to",
                "from": "cabinet-door",
                "to": "left-side",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "metadata": {
              "unit": "mm",
              "description": "One-hop graph-neighborhood baseline context",
              "evidenceState": "IMPLEMENTED",
              "tags": [
                "assembly",
                "sequence",
                "constraints",
                "context-resolved"
              ]
            }
          },
          "stats": {
            "worldEntityCount": 8,
            "worldRelationCount": 14,
            "contextEntityCount": 8,
            "contextRelationCount": 14,
            "contextFrameCount": 1,
            "serializedBytes": 5121,
            "serializedTokens": 1419,
            "tokenizer": "o200k_base@gpt-tokenizer-4.0.0",
            "entityReductionRatio": 0,
            "relationReductionRatio": 0
          },
          "solverResult": {
            "solver": "assembly-toposort-v1",
            "status": "PASS",
            "precision": "EXACT",
            "summary": "A deterministic 6-step assembly order was derived for Cabinet Assembly.",
            "result": {
              "orderedSteps": [
                {
                  "step": 1,
                  "entityId": "cabinet-base",
                  "name": "Cabinet Base"
                },
                {
                  "step": 2,
                  "entityId": "left-side",
                  "name": "Left Side"
                },
                {
                  "step": 3,
                  "entityId": "right-side",
                  "name": "Right Side"
                },
                {
                  "step": 4,
                  "entityId": "fixed-shelf",
                  "name": "Fixed Shelf"
                },
                {
                  "step": 5,
                  "entityId": "cabinet-top",
                  "name": "Cabinet Top"
                },
                {
                  "step": 6,
                  "entityId": "cabinet-door",
                  "name": "Cabinet Door"
                }
              ],
              "constraintRelationIds": [
                "order:base:left",
                "order:base:right",
                "order:left:shelf",
                "order:right:shelf",
                "order:shelf:top",
                "order:top:door"
              ]
            },
            "trace": [
              {
                "code": "TOPOLOGICAL_ORDER",
                "message": "Resolved 6 ordering constraint(s).",
                "entityIds": [
                  "cabinet-base",
                  "left-side",
                  "right-side",
                  "fixed-shelf",
                  "cabinet-top",
                  "cabinet-door"
                ]
              }
            ],
            "warnings": [
              "The order validates declared precedence only; it does not prove tool access, human ergonomics, fastener torque, or structural adequacy."
            ]
          },
          "validationIssues": [
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity world has semantic state but no metric bounds",
              "entityId": "world"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity cabinet has semantic state but no metric bounds",
              "entityId": "cabinet"
            }
          ]
        },
        {
          "strategy": "SFT_OPERATIONAL",
          "sceneRevision": {
            "id": "sha256:e6fee0ee7a7ad9484b7113da27d2f68a16f4aa79258217ff85e8643992099c2a",
            "contentId": "sha256:e7dfa157b713fcffee9c9f039fc46d2ab565fd1d03f214d63c56d808a353cce6",
            "branch": "MAIN"
          },
          "compilation": {
            "status": "COMPILED",
            "source": "Audit assembly order for cabinet assembly",
            "normalizedSource": "audit assembly order for cabinet assembly",
            "matchedPattern": "assembly-order",
            "command": {
              "kind": "AUDIT_ASSEMBLY",
              "assemblyId": "cabinet"
            },
            "diagnostics": [],
            "candidates": []
          },
          "contract": {
            "schemaVersion": "sft.context-contract.v1",
            "worldContentId": "sha256:e7dfa157b713fcffee9c9f039fc46d2ab565fd1d03f214d63c56d808a353cce6",
            "sceneRevisionId": "sha256:e6fee0ee7a7ad9484b7113da27d2f68a16f4aa79258217ff85e8643992099c2a",
            "sceneRevisionBranch": "MAIN",
            "scenarioId": "assembly",
            "source": "Audit assembly order for cabinet assembly",
            "strategy": "SFT_OPERATIONAL",
            "command": {
              "kind": "AUDIT_ASSEMBLY",
              "assemblyId": "cabinet"
            },
            "solverAuthority": "assembly-toposort-v1",
            "requiredEntityIds": [
              "cabinet",
              "cabinet-base",
              "cabinet-door",
              "cabinet-top",
              "fixed-shelf",
              "left-side",
              "right-side",
              "world"
            ],
            "requiredRelationIds": [
              "attached:door:left",
              "contains:cabinet:cabinet-base",
              "contains:cabinet:cabinet-door",
              "contains:cabinet:cabinet-top",
              "contains:cabinet:fixed-shelf",
              "contains:cabinet:left-side",
              "contains:cabinet:right-side",
              "contains:world:cabinet",
              "order:base:left",
              "order:base:right",
              "order:left:shelf",
              "order:right:shelf",
              "order:shelf:top",
              "order:top:door"
            ],
            "requiredFrameIds": [
              "world"
            ],
            "requiredMetricFacts": [],
            "requiredSolverCapabilities": [
              "assembly-toposort-v1"
            ],
            "requirements": [
              {
                "code": "ASSEMBLY_PRECEDENCE",
                "description": "Assembly members and requires_before edges define the ordering proof.",
                "entityIds": [
                  "cabinet",
                  "cabinet-base",
                  "cabinet-door",
                  "cabinet-top",
                  "fixed-shelf",
                  "left-side",
                  "right-side"
                ],
                "relationIds": [
                  "order:base:left",
                  "order:base:right",
                  "order:left:shelf",
                  "order:right:shelf",
                  "order:shelf:top",
                  "order:top:door"
                ],
                "metricFactIds": [],
                "solverCapabilities": [
                  "assembly-toposort-v1"
                ],
                "requiredPrecision": "SEMANTIC_ONLY"
              }
            ],
            "missingEvidence": [],
            "authorityBoundary": "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged.",
            "id": "sha256:e59539267e19b8c74d040c5f5c8a15330606a9e79b60e120fb3599361b3c2746"
          },
          "contextContentId": "sha256:0557305ddf5069aabae58a060a91a9dc43db190275934c7bb8b1ce380df9d326",
          "contextGraph": {
            "schemaVersion": "sft.scene.v1",
            "id": "assembly-fixture-context",
            "name": "Cabinet assembly fixture — context",
            "rootEntityId": "world",
            "frames": [
              {
                "id": "world",
                "name": "Fixture world frame",
                "origin": [
                  0,
                  0,
                  0
                ],
                "basis": [
                  [
                    1,
                    0,
                    0
                  ],
                  [
                    0,
                    1,
                    0
                  ],
                  [
                    0,
                    0,
                    1
                  ]
                ],
                "unit": "mm",
                "precision": "EXACT",
                "tolerance": 0
              }
            ],
            "entities": [
              {
                "id": "world",
                "name": "World",
                "kind": "world",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "cabinet",
                "name": "Cabinet Assembly",
                "kind": "assembly",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "cabinet-base",
                "name": "Cabinet Base",
                "kind": "part",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "max": [
                    900,
                    600,
                    20
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "left-side",
                "name": "Left Side",
                "kind": "part",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    20
                  ],
                  "max": [
                    20,
                    600,
                    900
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "right-side",
                "name": "Right Side",
                "kind": "part",
                "frameId": "world",
                "bounds": {
                  "min": [
                    880,
                    0,
                    20
                  ],
                  "max": [
                    900,
                    600,
                    900
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "fixed-shelf",
                "name": "Fixed Shelf",
                "kind": "part",
                "frameId": "world",
                "bounds": {
                  "min": [
                    20,
                    0,
                    430
                  ],
                  "max": [
                    880,
                    600,
                    450
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "cabinet-top",
                "name": "Cabinet Top",
                "kind": "part",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    900
                  ],
                  "max": [
                    900,
                    600,
                    920
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "cabinet-door",
                "name": "Cabinet Door",
                "kind": "part",
                "frameId": "world",
                "bounds": {
                  "min": [
                    20,
                    0,
                    20
                  ],
                  "max": [
                    880,
                    20,
                    890
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "relations": [
              {
                "id": "contains:world:cabinet",
                "kind": "contains",
                "from": "world",
                "to": "cabinet",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:cabinet:cabinet-base",
                "kind": "contains",
                "from": "cabinet",
                "to": "cabinet-base",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:cabinet:left-side",
                "kind": "contains",
                "from": "cabinet",
                "to": "left-side",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:cabinet:right-side",
                "kind": "contains",
                "from": "cabinet",
                "to": "right-side",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:cabinet:fixed-shelf",
                "kind": "contains",
                "from": "cabinet",
                "to": "fixed-shelf",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:cabinet:cabinet-top",
                "kind": "contains",
                "from": "cabinet",
                "to": "cabinet-top",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:cabinet:cabinet-door",
                "kind": "contains",
                "from": "cabinet",
                "to": "cabinet-door",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "order:base:left",
                "kind": "requires_before",
                "from": "cabinet-base",
                "to": "left-side",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "order:base:right",
                "kind": "requires_before",
                "from": "cabinet-base",
                "to": "right-side",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "order:left:shelf",
                "kind": "requires_before",
                "from": "left-side",
                "to": "fixed-shelf",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "order:right:shelf",
                "kind": "requires_before",
                "from": "right-side",
                "to": "fixed-shelf",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "order:shelf:top",
                "kind": "requires_before",
                "from": "fixed-shelf",
                "to": "cabinet-top",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "order:top:door",
                "kind": "requires_before",
                "from": "cabinet-top",
                "to": "cabinet-door",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "attached:door:left",
                "kind": "attached_to",
                "from": "cabinet-door",
                "to": "left-side",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "metadata": {
              "unit": "mm",
              "description": "Operation-directed SFT context",
              "evidenceState": "IMPLEMENTED",
              "tags": [
                "assembly",
                "sequence",
                "constraints",
                "context-resolved"
              ]
            }
          },
          "stats": {
            "worldEntityCount": 8,
            "worldRelationCount": 14,
            "contextEntityCount": 8,
            "contextRelationCount": 14,
            "contextFrameCount": 1,
            "serializedBytes": 5108,
            "serializedTokens": 1417,
            "tokenizer": "o200k_base@gpt-tokenizer-4.0.0",
            "entityReductionRatio": 0,
            "relationReductionRatio": 0
          },
          "solverResult": {
            "solver": "assembly-toposort-v1",
            "status": "PASS",
            "precision": "EXACT",
            "summary": "A deterministic 6-step assembly order was derived for Cabinet Assembly.",
            "result": {
              "orderedSteps": [
                {
                  "step": 1,
                  "entityId": "cabinet-base",
                  "name": "Cabinet Base"
                },
                {
                  "step": 2,
                  "entityId": "left-side",
                  "name": "Left Side"
                },
                {
                  "step": 3,
                  "entityId": "right-side",
                  "name": "Right Side"
                },
                {
                  "step": 4,
                  "entityId": "fixed-shelf",
                  "name": "Fixed Shelf"
                },
                {
                  "step": 5,
                  "entityId": "cabinet-top",
                  "name": "Cabinet Top"
                },
                {
                  "step": 6,
                  "entityId": "cabinet-door",
                  "name": "Cabinet Door"
                }
              ],
              "constraintRelationIds": [
                "order:base:left",
                "order:base:right",
                "order:left:shelf",
                "order:right:shelf",
                "order:shelf:top",
                "order:top:door"
              ]
            },
            "trace": [
              {
                "code": "TOPOLOGICAL_ORDER",
                "message": "Resolved 6 ordering constraint(s).",
                "entityIds": [
                  "cabinet-base",
                  "left-side",
                  "right-side",
                  "fixed-shelf",
                  "cabinet-top",
                  "cabinet-door"
                ]
              }
            ],
            "warnings": [
              "The order validates declared precedence only; it does not prove tool access, human ergonomics, fastener torque, or structural adequacy."
            ]
          },
          "validationIssues": [
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity world has semantic state but no metric bounds",
              "entityId": "world"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity cabinet has semantic state but no metric bounds",
              "entityId": "cabinet"
            }
          ]
        }
      ]
    },
    {
      "id": "robot-alternate-route",
      "scenarioId": "robot",
      "query": "Find a path from mobile robot to charging dock",
      "command": null,
      "strategies": [
        {
          "strategy": "FULL_SCENE",
          "sceneRevision": {
            "id": "sha256:38b507c89cd9c02af209c426fa54660816bbb7ffabcbbd254e491e3f62f688ee",
            "contentId": "sha256:3f8a676e211c1237db593d8d3f72963ad59dc2e365b472c0547f5ae8378c2aaa",
            "branch": "MAIN"
          },
          "compilation": {
            "status": "COMPILED",
            "source": "Find a path from mobile robot to charging dock",
            "normalizedSource": "find a path from mobile robot to charging dock",
            "matchedPattern": "path-from-to",
            "command": {
              "kind": "QUERY_REACHABILITY",
              "fromId": "mobile-robot",
              "toId": "charging-dock"
            },
            "diagnostics": [],
            "candidates": []
          },
          "contract": {
            "schemaVersion": "sft.context-contract.v1",
            "worldContentId": "sha256:3f8a676e211c1237db593d8d3f72963ad59dc2e365b472c0547f5ae8378c2aaa",
            "sceneRevisionId": "sha256:38b507c89cd9c02af209c426fa54660816bbb7ffabcbbd254e491e3f62f688ee",
            "sceneRevisionBranch": "MAIN",
            "scenarioId": "robot",
            "source": "Find a path from mobile robot to charging dock",
            "strategy": "FULL_SCENE",
            "command": {
              "kind": "QUERY_REACHABILITY",
              "fromId": "mobile-robot",
              "toId": "charging-dock"
            },
            "solverAuthority": "typed-reachability-bfs-v1",
            "requiredEntityIds": [
              "charging-dock",
              "junction",
              "mobile-robot",
              "narrow-aisle",
              "robot-start",
              "wide-aisle",
              "world"
            ],
            "requiredRelationIds": [
              "contains:world:charging-dock",
              "contains:world:junction",
              "contains:world:mobile-robot",
              "contains:world:narrow-aisle",
              "contains:world:robot-start",
              "contains:world:wide-aisle",
              "junction-narrow",
              "junction-wide",
              "narrow-dock",
              "robot-at-start",
              "start-junction",
              "wide-dock"
            ],
            "requiredFrameIds": [
              "world"
            ],
            "requiredMetricFacts": [],
            "requiredSolverCapabilities": [
              "typed-reachability-bfs-v1"
            ],
            "requirements": [
              {
                "code": "ROUTE_GRAPH",
                "description": "Typed route edges must connect the requested endpoints.",
                "entityIds": [
                  "charging-dock",
                  "junction",
                  "mobile-robot",
                  "narrow-aisle",
                  "robot-start",
                  "wide-aisle"
                ],
                "relationIds": [
                  "junction-narrow",
                  "junction-wide",
                  "narrow-dock",
                  "robot-at-start",
                  "start-junction",
                  "wide-dock"
                ],
                "metricFactIds": [],
                "solverCapabilities": [
                  "typed-reachability-bfs-v1"
                ],
                "requiredPrecision": "SEMANTIC_ONLY"
              }
            ],
            "missingEvidence": [],
            "authorityBoundary": "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged.",
            "id": "sha256:3387b5801d5fafe552c68d4c7cff895800651fdaca46a5dfb82b9266ec99b14e"
          },
          "contextContentId": "sha256:3f8a676e211c1237db593d8d3f72963ad59dc2e365b472c0547f5ae8378c2aaa",
          "contextGraph": {
            "entities": [
              {
                "attributes": {},
                "frameId": "world",
                "id": "world",
                "kind": "world",
                "name": "World",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {},
                "bounds": {
                  "frameId": "world",
                  "max": [
                    700,
                    700,
                    900
                  ],
                  "min": [
                    100,
                    100,
                    0
                  ],
                  "precision": "BOUNDED",
                  "source": "authored",
                  "tolerance": 5,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "mobile-robot",
                "kind": "robot",
                "name": "Mobile Robot",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "nodeType": "navigation"
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    1000,
                    1000,
                    1000
                  ],
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "precision": "EXACT",
                  "source": "authored",
                  "tolerance": 0,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "robot-start",
                "kind": "path-node",
                "name": "Robot Start",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "nodeType": "navigation"
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    3000,
                    1000,
                    1000
                  ],
                  "min": [
                    2000,
                    0,
                    0
                  ],
                  "precision": "EXACT",
                  "source": "authored",
                  "tolerance": 0,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "junction",
                "kind": "path-node",
                "name": "Central Junction",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "blocked": true,
                  "nodeType": "navigation"
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    5000,
                    800,
                    1000
                  ],
                  "min": [
                    4000,
                    0,
                    0
                  ],
                  "precision": "EXACT",
                  "source": "authored",
                  "tolerance": 0,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "narrow-aisle",
                "kind": "path-node",
                "name": "Narrow Aisle",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "nodeType": "navigation"
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    5000,
                    3200,
                    1000
                  ],
                  "min": [
                    4000,
                    1800,
                    0
                  ],
                  "precision": "EXACT",
                  "source": "authored",
                  "tolerance": 0,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "wide-aisle",
                "kind": "path-node",
                "name": "Wide Aisle",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "nodeType": "goal"
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    7500,
                    2500,
                    1000
                  ],
                  "min": [
                    6500,
                    1500,
                    0
                  ],
                  "precision": "EXACT",
                  "source": "authored",
                  "tolerance": 0,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "charging-dock",
                "kind": "path-node",
                "name": "Charging Dock",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "blocksAccess": true
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    4900,
                    700,
                    1000
                  ],
                  "min": [
                    4200,
                    100,
                    0
                  ],
                  "precision": "BOUNDED",
                  "source": "authored",
                  "tolerance": 10,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "pallet",
                "kind": "obstacle",
                "name": "Blocking Pallet",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "frames": [
              {
                "basis": [
                  [
                    1,
                    0,
                    0
                  ],
                  [
                    0,
                    1,
                    0
                  ],
                  [
                    0,
                    0,
                    1
                  ]
                ],
                "id": "world",
                "name": "Fixture world frame",
                "origin": [
                  0,
                  0,
                  0
                ],
                "precision": "EXACT",
                "tolerance": 0,
                "unit": "mm"
              }
            ],
            "id": "robot-fixture",
            "metadata": {
              "description": "A robot, named navigation nodes, clearance-bearing edges, and an alternate route around a blocked aisle.",
              "evidenceState": "IMPLEMENTED",
              "tags": [
                "robot",
                "reachability",
                "shared-state"
              ],
              "unit": "mm"
            },
            "name": "Robot environment-memory fixture",
            "relations": [
              {
                "attributes": {},
                "directed": true,
                "from": "world",
                "id": "contains:world:mobile-robot",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "mobile-robot"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "world",
                "id": "contains:world:robot-start",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "robot-start"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "world",
                "id": "contains:world:junction",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "junction"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "world",
                "id": "contains:world:narrow-aisle",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "narrow-aisle"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "world",
                "id": "contains:world:wide-aisle",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "wide-aisle"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "world",
                "id": "contains:world:charging-dock",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "charging-dock"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "world",
                "id": "contains:world:pallet",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "pallet"
              },
              {
                "attributes": {
                  "minimumClearanceMm": 1000
                },
                "directed": false,
                "from": "mobile-robot",
                "id": "robot-at-start",
                "kind": "connected_to",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "robot-start"
              },
              {
                "attributes": {
                  "minimumClearanceMm": 1000
                },
                "directed": false,
                "from": "robot-start",
                "id": "start-junction",
                "kind": "connected_to",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "junction"
              },
              {
                "attributes": {
                  "blocked": true,
                  "minimumClearanceMm": 700
                },
                "directed": false,
                "from": "junction",
                "id": "junction-narrow",
                "kind": "connected_to",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "narrow-aisle"
              },
              {
                "attributes": {
                  "minimumClearanceMm": 1400
                },
                "directed": false,
                "from": "junction",
                "id": "junction-wide",
                "kind": "connected_to",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "wide-aisle"
              },
              {
                "attributes": {
                  "minimumClearanceMm": 700
                },
                "directed": false,
                "from": "narrow-aisle",
                "id": "narrow-dock",
                "kind": "connected_to",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "charging-dock"
              },
              {
                "attributes": {
                  "minimumClearanceMm": 1400
                },
                "directed": false,
                "from": "wide-aisle",
                "id": "wide-dock",
                "kind": "connected_to",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "charging-dock"
              }
            ],
            "rootEntityId": "world",
            "schemaVersion": "sft.scene.v1"
          },
          "stats": {
            "worldEntityCount": 8,
            "worldRelationCount": 13,
            "contextEntityCount": 8,
            "contextRelationCount": 13,
            "contextFrameCount": 1,
            "serializedBytes": 5420,
            "serializedTokens": 1506,
            "tokenizer": "o200k_base@gpt-tokenizer-4.0.0",
            "entityReductionRatio": 0,
            "relationReductionRatio": 0
          },
          "solverResult": {
            "solver": "typed-reachability-bfs-v1",
            "status": "PASS",
            "precision": "EXACT",
            "summary": "A typed path connects Mobile Robot to Charging Dock.",
            "result": {
              "pathEntityIds": [
                "mobile-robot",
                "robot-start",
                "junction",
                "wide-aisle",
                "charging-dock"
              ],
              "relationIds": [
                "robot-at-start",
                "start-junction",
                "junction-wide",
                "wide-dock"
              ],
              "hopCount": 4
            },
            "trace": [
              {
                "code": "PATH_FOUND",
                "message": "4 relation hop(s) selected.",
                "entityIds": [
                  "mobile-robot",
                  "robot-start",
                  "junction",
                  "wide-aisle",
                  "charging-dock"
                ],
                "relationIds": [
                  "robot-at-start",
                  "start-junction",
                  "junction-wide",
                  "wide-dock"
                ]
              }
            ],
            "warnings": []
          },
          "validationIssues": [
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity world has semantic state but no metric bounds",
              "entityId": "world"
            }
          ]
        },
        {
          "strategy": "LEXICAL_TOP_K",
          "sceneRevision": {
            "id": "sha256:38b507c89cd9c02af209c426fa54660816bbb7ffabcbbd254e491e3f62f688ee",
            "contentId": "sha256:3f8a676e211c1237db593d8d3f72963ad59dc2e365b472c0547f5ae8378c2aaa",
            "branch": "MAIN"
          },
          "compilation": {
            "status": "COMPILED",
            "source": "Find a path from mobile robot to charging dock",
            "normalizedSource": "find a path from mobile robot to charging dock",
            "matchedPattern": "path-from-to",
            "command": {
              "kind": "QUERY_REACHABILITY",
              "fromId": "mobile-robot",
              "toId": "charging-dock"
            },
            "diagnostics": [],
            "candidates": []
          },
          "contract": {
            "schemaVersion": "sft.context-contract.v1",
            "worldContentId": "sha256:3f8a676e211c1237db593d8d3f72963ad59dc2e365b472c0547f5ae8378c2aaa",
            "sceneRevisionId": "sha256:38b507c89cd9c02af209c426fa54660816bbb7ffabcbbd254e491e3f62f688ee",
            "sceneRevisionBranch": "MAIN",
            "scenarioId": "robot",
            "source": "Find a path from mobile robot to charging dock",
            "strategy": "LEXICAL_TOP_K",
            "command": {
              "kind": "QUERY_REACHABILITY",
              "fromId": "mobile-robot",
              "toId": "charging-dock"
            },
            "solverAuthority": "typed-reachability-bfs-v1",
            "requiredEntityIds": [
              "charging-dock",
              "junction",
              "mobile-robot",
              "narrow-aisle",
              "robot-start",
              "wide-aisle",
              "world"
            ],
            "requiredRelationIds": [
              "contains:world:charging-dock",
              "contains:world:junction",
              "contains:world:mobile-robot",
              "contains:world:narrow-aisle",
              "contains:world:robot-start",
              "contains:world:wide-aisle",
              "junction-narrow",
              "junction-wide",
              "narrow-dock",
              "robot-at-start",
              "start-junction",
              "wide-dock"
            ],
            "requiredFrameIds": [
              "world"
            ],
            "requiredMetricFacts": [],
            "requiredSolverCapabilities": [
              "typed-reachability-bfs-v1"
            ],
            "requirements": [
              {
                "code": "ROUTE_GRAPH",
                "description": "Typed route edges must connect the requested endpoints.",
                "entityIds": [
                  "charging-dock",
                  "junction",
                  "mobile-robot",
                  "narrow-aisle",
                  "robot-start",
                  "wide-aisle"
                ],
                "relationIds": [
                  "junction-narrow",
                  "junction-wide",
                  "narrow-dock",
                  "robot-at-start",
                  "start-junction",
                  "wide-dock"
                ],
                "metricFactIds": [],
                "solverCapabilities": [
                  "typed-reachability-bfs-v1"
                ],
                "requiredPrecision": "SEMANTIC_ONLY"
              }
            ],
            "missingEvidence": [
              {
                "code": "REQUIRED_ENTITY_NOT_SELECTED",
                "message": "1 required entity or containment ancestor(s) are absent from the selected context.",
                "entityIds": [
                  "wide-aisle"
                ],
                "relationIds": [],
                "metricFactIds": [],
                "solverCapabilities": []
              },
              {
                "code": "REQUIRED_RELATION_NOT_SELECTED",
                "message": "3 required relation(s) are absent from the selected context.",
                "entityIds": [],
                "relationIds": [
                  "contains:world:wide-aisle",
                  "junction-wide",
                  "wide-dock"
                ],
                "metricFactIds": [],
                "solverCapabilities": []
              }
            ],
            "authorityBoundary": "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged.",
            "id": "sha256:8adb6e081e275f77a29d580560ecdd5c70cf17b8b06a8385e0407400e8eefc15"
          },
          "contextContentId": "sha256:235f571ffd9f08c13a7588c8a5ae05290ef015ef5a166249dd1cb9ca03709759",
          "contextGraph": {
            "schemaVersion": "sft.scene.v1",
            "id": "robot-fixture-context",
            "name": "Robot environment-memory fixture — context",
            "rootEntityId": "world",
            "frames": [
              {
                "id": "world",
                "name": "Fixture world frame",
                "origin": [
                  0,
                  0,
                  0
                ],
                "basis": [
                  [
                    1,
                    0,
                    0
                  ],
                  [
                    0,
                    1,
                    0
                  ],
                  [
                    0,
                    0,
                    1
                  ]
                ],
                "unit": "mm",
                "precision": "EXACT",
                "tolerance": 0
              }
            ],
            "entities": [
              {
                "id": "world",
                "name": "World",
                "kind": "world",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "mobile-robot",
                "name": "Mobile Robot",
                "kind": "robot",
                "frameId": "world",
                "bounds": {
                  "min": [
                    100,
                    100,
                    0
                  ],
                  "max": [
                    700,
                    700,
                    900
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 5,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "robot-start",
                "name": "Robot Start",
                "kind": "path-node",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "max": [
                    1000,
                    1000,
                    1000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "nodeType": "navigation"
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "junction",
                "name": "Central Junction",
                "kind": "path-node",
                "frameId": "world",
                "bounds": {
                  "min": [
                    2000,
                    0,
                    0
                  ],
                  "max": [
                    3000,
                    1000,
                    1000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "nodeType": "navigation"
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "narrow-aisle",
                "name": "Narrow Aisle",
                "kind": "path-node",
                "frameId": "world",
                "bounds": {
                  "min": [
                    4000,
                    0,
                    0
                  ],
                  "max": [
                    5000,
                    800,
                    1000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "nodeType": "navigation",
                  "blocked": true
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "charging-dock",
                "name": "Charging Dock",
                "kind": "path-node",
                "frameId": "world",
                "bounds": {
                  "min": [
                    6500,
                    1500,
                    0
                  ],
                  "max": [
                    7500,
                    2500,
                    1000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "nodeType": "goal"
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "relations": [
              {
                "id": "contains:world:mobile-robot",
                "kind": "contains",
                "from": "world",
                "to": "mobile-robot",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:world:robot-start",
                "kind": "contains",
                "from": "world",
                "to": "robot-start",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:world:junction",
                "kind": "contains",
                "from": "world",
                "to": "junction",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:world:narrow-aisle",
                "kind": "contains",
                "from": "world",
                "to": "narrow-aisle",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:world:charging-dock",
                "kind": "contains",
                "from": "world",
                "to": "charging-dock",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "robot-at-start",
                "kind": "connected_to",
                "from": "mobile-robot",
                "to": "robot-start",
                "directed": false,
                "attributes": {
                  "minimumClearanceMm": 1000
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "start-junction",
                "kind": "connected_to",
                "from": "robot-start",
                "to": "junction",
                "directed": false,
                "attributes": {
                  "minimumClearanceMm": 1000
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "junction-narrow",
                "kind": "connected_to",
                "from": "junction",
                "to": "narrow-aisle",
                "directed": false,
                "attributes": {
                  "minimumClearanceMm": 700,
                  "blocked": true
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "narrow-dock",
                "kind": "connected_to",
                "from": "narrow-aisle",
                "to": "charging-dock",
                "directed": false,
                "attributes": {
                  "minimumClearanceMm": 700
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "metadata": {
              "unit": "mm",
              "description": "Lexical top-k baseline context",
              "evidenceState": "IMPLEMENTED",
              "tags": [
                "robot",
                "reachability",
                "shared-state",
                "context-resolved"
              ]
            }
          },
          "stats": {
            "worldEntityCount": 8,
            "worldRelationCount": 13,
            "contextEntityCount": 6,
            "contextRelationCount": 9,
            "contextFrameCount": 1,
            "serializedBytes": 3983,
            "serializedTokens": 1103,
            "tokenizer": "o200k_base@gpt-tokenizer-4.0.0",
            "entityReductionRatio": 0.25,
            "relationReductionRatio": 0.3076923076923077
          },
          "solverResult": {
            "solver": "typed-reachability-bfs-v1",
            "status": "UNKNOWN",
            "precision": "UNKNOWN",
            "summary": "The operation was not executed because required evidence is missing.",
            "result": {
              "missingEvidence": [
                {
                  "code": "REQUIRED_ENTITY_NOT_SELECTED",
                  "message": "1 required entity or containment ancestor(s) are absent from the selected context."
                },
                {
                  "code": "REQUIRED_RELATION_NOT_SELECTED",
                  "message": "3 required relation(s) are absent from the selected context."
                }
              ]
            },
            "trace": [
              {
                "code": "EVIDENCE_GATE",
                "message": "The Context Resolver refused to promote an under-specified operation to a solver conclusion."
              }
            ],
            "warnings": [
              "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged."
            ]
          },
          "validationIssues": [
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity world has semantic state but no metric bounds",
              "entityId": "world"
            }
          ]
        },
        {
          "strategy": "GRAPH_NEIGHBORHOOD",
          "sceneRevision": {
            "id": "sha256:38b507c89cd9c02af209c426fa54660816bbb7ffabcbbd254e491e3f62f688ee",
            "contentId": "sha256:3f8a676e211c1237db593d8d3f72963ad59dc2e365b472c0547f5ae8378c2aaa",
            "branch": "MAIN"
          },
          "compilation": {
            "status": "COMPILED",
            "source": "Find a path from mobile robot to charging dock",
            "normalizedSource": "find a path from mobile robot to charging dock",
            "matchedPattern": "path-from-to",
            "command": {
              "kind": "QUERY_REACHABILITY",
              "fromId": "mobile-robot",
              "toId": "charging-dock"
            },
            "diagnostics": [],
            "candidates": []
          },
          "contract": {
            "schemaVersion": "sft.context-contract.v1",
            "worldContentId": "sha256:3f8a676e211c1237db593d8d3f72963ad59dc2e365b472c0547f5ae8378c2aaa",
            "sceneRevisionId": "sha256:38b507c89cd9c02af209c426fa54660816bbb7ffabcbbd254e491e3f62f688ee",
            "sceneRevisionBranch": "MAIN",
            "scenarioId": "robot",
            "source": "Find a path from mobile robot to charging dock",
            "strategy": "GRAPH_NEIGHBORHOOD",
            "command": {
              "kind": "QUERY_REACHABILITY",
              "fromId": "mobile-robot",
              "toId": "charging-dock"
            },
            "solverAuthority": "typed-reachability-bfs-v1",
            "requiredEntityIds": [
              "charging-dock",
              "junction",
              "mobile-robot",
              "narrow-aisle",
              "robot-start",
              "wide-aisle",
              "world"
            ],
            "requiredRelationIds": [
              "contains:world:charging-dock",
              "contains:world:junction",
              "contains:world:mobile-robot",
              "contains:world:narrow-aisle",
              "contains:world:robot-start",
              "contains:world:wide-aisle",
              "junction-narrow",
              "junction-wide",
              "narrow-dock",
              "robot-at-start",
              "start-junction",
              "wide-dock"
            ],
            "requiredFrameIds": [
              "world"
            ],
            "requiredMetricFacts": [],
            "requiredSolverCapabilities": [
              "typed-reachability-bfs-v1"
            ],
            "requirements": [
              {
                "code": "ROUTE_GRAPH",
                "description": "Typed route edges must connect the requested endpoints.",
                "entityIds": [
                  "charging-dock",
                  "junction",
                  "mobile-robot",
                  "narrow-aisle",
                  "robot-start",
                  "wide-aisle"
                ],
                "relationIds": [
                  "junction-narrow",
                  "junction-wide",
                  "narrow-dock",
                  "robot-at-start",
                  "start-junction",
                  "wide-dock"
                ],
                "metricFactIds": [],
                "solverCapabilities": [
                  "typed-reachability-bfs-v1"
                ],
                "requiredPrecision": "SEMANTIC_ONLY"
              }
            ],
            "missingEvidence": [],
            "authorityBoundary": "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged.",
            "id": "sha256:5a1fbc2d8ed01418b7f084433511595f1600aa7ae6ff0f62002dc09370ca43ea"
          },
          "contextContentId": "sha256:b1d434bbdf1559753bd9652315c825b11590b0c833a2041f66ee0173ca1c84ba",
          "contextGraph": {
            "schemaVersion": "sft.scene.v1",
            "id": "robot-fixture-context",
            "name": "Robot environment-memory fixture — context",
            "rootEntityId": "world",
            "frames": [
              {
                "id": "world",
                "name": "Fixture world frame",
                "origin": [
                  0,
                  0,
                  0
                ],
                "basis": [
                  [
                    1,
                    0,
                    0
                  ],
                  [
                    0,
                    1,
                    0
                  ],
                  [
                    0,
                    0,
                    1
                  ]
                ],
                "unit": "mm",
                "precision": "EXACT",
                "tolerance": 0
              }
            ],
            "entities": [
              {
                "id": "world",
                "name": "World",
                "kind": "world",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "mobile-robot",
                "name": "Mobile Robot",
                "kind": "robot",
                "frameId": "world",
                "bounds": {
                  "min": [
                    100,
                    100,
                    0
                  ],
                  "max": [
                    700,
                    700,
                    900
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 5,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "robot-start",
                "name": "Robot Start",
                "kind": "path-node",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "max": [
                    1000,
                    1000,
                    1000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "nodeType": "navigation"
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "junction",
                "name": "Central Junction",
                "kind": "path-node",
                "frameId": "world",
                "bounds": {
                  "min": [
                    2000,
                    0,
                    0
                  ],
                  "max": [
                    3000,
                    1000,
                    1000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "nodeType": "navigation"
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "narrow-aisle",
                "name": "Narrow Aisle",
                "kind": "path-node",
                "frameId": "world",
                "bounds": {
                  "min": [
                    4000,
                    0,
                    0
                  ],
                  "max": [
                    5000,
                    800,
                    1000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "nodeType": "navigation",
                  "blocked": true
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "wide-aisle",
                "name": "Wide Aisle",
                "kind": "path-node",
                "frameId": "world",
                "bounds": {
                  "min": [
                    4000,
                    1800,
                    0
                  ],
                  "max": [
                    5000,
                    3200,
                    1000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "nodeType": "navigation"
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "charging-dock",
                "name": "Charging Dock",
                "kind": "path-node",
                "frameId": "world",
                "bounds": {
                  "min": [
                    6500,
                    1500,
                    0
                  ],
                  "max": [
                    7500,
                    2500,
                    1000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "nodeType": "goal"
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "pallet",
                "name": "Blocking Pallet",
                "kind": "obstacle",
                "frameId": "world",
                "bounds": {
                  "min": [
                    4200,
                    100,
                    0
                  ],
                  "max": [
                    4900,
                    700,
                    1000
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 10,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "blocksAccess": true
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "relations": [
              {
                "id": "contains:world:mobile-robot",
                "kind": "contains",
                "from": "world",
                "to": "mobile-robot",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:world:robot-start",
                "kind": "contains",
                "from": "world",
                "to": "robot-start",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:world:junction",
                "kind": "contains",
                "from": "world",
                "to": "junction",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:world:narrow-aisle",
                "kind": "contains",
                "from": "world",
                "to": "narrow-aisle",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:world:wide-aisle",
                "kind": "contains",
                "from": "world",
                "to": "wide-aisle",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:world:charging-dock",
                "kind": "contains",
                "from": "world",
                "to": "charging-dock",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:world:pallet",
                "kind": "contains",
                "from": "world",
                "to": "pallet",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "robot-at-start",
                "kind": "connected_to",
                "from": "mobile-robot",
                "to": "robot-start",
                "directed": false,
                "attributes": {
                  "minimumClearanceMm": 1000
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "start-junction",
                "kind": "connected_to",
                "from": "robot-start",
                "to": "junction",
                "directed": false,
                "attributes": {
                  "minimumClearanceMm": 1000
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "junction-narrow",
                "kind": "connected_to",
                "from": "junction",
                "to": "narrow-aisle",
                "directed": false,
                "attributes": {
                  "minimumClearanceMm": 700,
                  "blocked": true
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "junction-wide",
                "kind": "connected_to",
                "from": "junction",
                "to": "wide-aisle",
                "directed": false,
                "attributes": {
                  "minimumClearanceMm": 1400
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "narrow-dock",
                "kind": "connected_to",
                "from": "narrow-aisle",
                "to": "charging-dock",
                "directed": false,
                "attributes": {
                  "minimumClearanceMm": 700
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "wide-dock",
                "kind": "connected_to",
                "from": "wide-aisle",
                "to": "charging-dock",
                "directed": false,
                "attributes": {
                  "minimumClearanceMm": 1400
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "metadata": {
              "unit": "mm",
              "description": "One-hop graph-neighborhood baseline context",
              "evidenceState": "IMPLEMENTED",
              "tags": [
                "robot",
                "reachability",
                "shared-state",
                "context-resolved"
              ]
            }
          },
          "stats": {
            "worldEntityCount": 8,
            "worldRelationCount": 13,
            "contextEntityCount": 8,
            "contextRelationCount": 13,
            "contextFrameCount": 1,
            "serializedBytes": 5398,
            "serializedTokens": 1501,
            "tokenizer": "o200k_base@gpt-tokenizer-4.0.0",
            "entityReductionRatio": 0,
            "relationReductionRatio": 0
          },
          "solverResult": {
            "solver": "typed-reachability-bfs-v1",
            "status": "PASS",
            "precision": "EXACT",
            "summary": "A typed path connects Mobile Robot to Charging Dock.",
            "result": {
              "pathEntityIds": [
                "mobile-robot",
                "robot-start",
                "junction",
                "wide-aisle",
                "charging-dock"
              ],
              "relationIds": [
                "robot-at-start",
                "start-junction",
                "junction-wide",
                "wide-dock"
              ],
              "hopCount": 4
            },
            "trace": [
              {
                "code": "PATH_FOUND",
                "message": "4 relation hop(s) selected.",
                "entityIds": [
                  "mobile-robot",
                  "robot-start",
                  "junction",
                  "wide-aisle",
                  "charging-dock"
                ],
                "relationIds": [
                  "robot-at-start",
                  "start-junction",
                  "junction-wide",
                  "wide-dock"
                ]
              }
            ],
            "warnings": []
          },
          "validationIssues": [
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity world has semantic state but no metric bounds",
              "entityId": "world"
            }
          ]
        },
        {
          "strategy": "SFT_OPERATIONAL",
          "sceneRevision": {
            "id": "sha256:38b507c89cd9c02af209c426fa54660816bbb7ffabcbbd254e491e3f62f688ee",
            "contentId": "sha256:3f8a676e211c1237db593d8d3f72963ad59dc2e365b472c0547f5ae8378c2aaa",
            "branch": "MAIN"
          },
          "compilation": {
            "status": "COMPILED",
            "source": "Find a path from mobile robot to charging dock",
            "normalizedSource": "find a path from mobile robot to charging dock",
            "matchedPattern": "path-from-to",
            "command": {
              "kind": "QUERY_REACHABILITY",
              "fromId": "mobile-robot",
              "toId": "charging-dock"
            },
            "diagnostics": [],
            "candidates": []
          },
          "contract": {
            "schemaVersion": "sft.context-contract.v1",
            "worldContentId": "sha256:3f8a676e211c1237db593d8d3f72963ad59dc2e365b472c0547f5ae8378c2aaa",
            "sceneRevisionId": "sha256:38b507c89cd9c02af209c426fa54660816bbb7ffabcbbd254e491e3f62f688ee",
            "sceneRevisionBranch": "MAIN",
            "scenarioId": "robot",
            "source": "Find a path from mobile robot to charging dock",
            "strategy": "SFT_OPERATIONAL",
            "command": {
              "kind": "QUERY_REACHABILITY",
              "fromId": "mobile-robot",
              "toId": "charging-dock"
            },
            "solverAuthority": "typed-reachability-bfs-v1",
            "requiredEntityIds": [
              "charging-dock",
              "junction",
              "mobile-robot",
              "narrow-aisle",
              "robot-start",
              "wide-aisle",
              "world"
            ],
            "requiredRelationIds": [
              "contains:world:charging-dock",
              "contains:world:junction",
              "contains:world:mobile-robot",
              "contains:world:narrow-aisle",
              "contains:world:robot-start",
              "contains:world:wide-aisle",
              "junction-narrow",
              "junction-wide",
              "narrow-dock",
              "robot-at-start",
              "start-junction",
              "wide-dock"
            ],
            "requiredFrameIds": [
              "world"
            ],
            "requiredMetricFacts": [],
            "requiredSolverCapabilities": [
              "typed-reachability-bfs-v1"
            ],
            "requirements": [
              {
                "code": "ROUTE_GRAPH",
                "description": "Typed route edges must connect the requested endpoints.",
                "entityIds": [
                  "charging-dock",
                  "junction",
                  "mobile-robot",
                  "narrow-aisle",
                  "robot-start",
                  "wide-aisle"
                ],
                "relationIds": [
                  "junction-narrow",
                  "junction-wide",
                  "narrow-dock",
                  "robot-at-start",
                  "start-junction",
                  "wide-dock"
                ],
                "metricFactIds": [],
                "solverCapabilities": [
                  "typed-reachability-bfs-v1"
                ],
                "requiredPrecision": "SEMANTIC_ONLY"
              }
            ],
            "missingEvidence": [],
            "authorityBoundary": "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged.",
            "id": "sha256:97ddc28fad7db195936b51794f7280310b17aa6fe8d011801aa10a83d9727a60"
          },
          "contextContentId": "sha256:8b3a67b63173fe3da8114f894be17090b4fe71ca77f7f0c2622ba69ab324726b",
          "contextGraph": {
            "schemaVersion": "sft.scene.v1",
            "id": "robot-fixture-context",
            "name": "Robot environment-memory fixture — context",
            "rootEntityId": "world",
            "frames": [
              {
                "id": "world",
                "name": "Fixture world frame",
                "origin": [
                  0,
                  0,
                  0
                ],
                "basis": [
                  [
                    1,
                    0,
                    0
                  ],
                  [
                    0,
                    1,
                    0
                  ],
                  [
                    0,
                    0,
                    1
                  ]
                ],
                "unit": "mm",
                "precision": "EXACT",
                "tolerance": 0
              }
            ],
            "entities": [
              {
                "id": "world",
                "name": "World",
                "kind": "world",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "mobile-robot",
                "name": "Mobile Robot",
                "kind": "robot",
                "frameId": "world",
                "bounds": {
                  "min": [
                    100,
                    100,
                    0
                  ],
                  "max": [
                    700,
                    700,
                    900
                  ],
                  "unit": "mm",
                  "precision": "BOUNDED",
                  "tolerance": 5,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "robot-start",
                "name": "Robot Start",
                "kind": "path-node",
                "frameId": "world",
                "bounds": {
                  "min": [
                    0,
                    0,
                    0
                  ],
                  "max": [
                    1000,
                    1000,
                    1000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "nodeType": "navigation"
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "junction",
                "name": "Central Junction",
                "kind": "path-node",
                "frameId": "world",
                "bounds": {
                  "min": [
                    2000,
                    0,
                    0
                  ],
                  "max": [
                    3000,
                    1000,
                    1000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "nodeType": "navigation"
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "narrow-aisle",
                "name": "Narrow Aisle",
                "kind": "path-node",
                "frameId": "world",
                "bounds": {
                  "min": [
                    4000,
                    0,
                    0
                  ],
                  "max": [
                    5000,
                    800,
                    1000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "nodeType": "navigation",
                  "blocked": true
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "wide-aisle",
                "name": "Wide Aisle",
                "kind": "path-node",
                "frameId": "world",
                "bounds": {
                  "min": [
                    4000,
                    1800,
                    0
                  ],
                  "max": [
                    5000,
                    3200,
                    1000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "nodeType": "navigation"
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "charging-dock",
                "name": "Charging Dock",
                "kind": "path-node",
                "frameId": "world",
                "bounds": {
                  "min": [
                    6500,
                    1500,
                    0
                  ],
                  "max": [
                    7500,
                    2500,
                    1000
                  ],
                  "unit": "mm",
                  "precision": "EXACT",
                  "tolerance": 0,
                  "frameId": "world",
                  "source": "authored"
                },
                "attributes": {
                  "nodeType": "goal"
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "relations": [
              {
                "id": "contains:world:mobile-robot",
                "kind": "contains",
                "from": "world",
                "to": "mobile-robot",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:world:robot-start",
                "kind": "contains",
                "from": "world",
                "to": "robot-start",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:world:junction",
                "kind": "contains",
                "from": "world",
                "to": "junction",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:world:narrow-aisle",
                "kind": "contains",
                "from": "world",
                "to": "narrow-aisle",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:world:wide-aisle",
                "kind": "contains",
                "from": "world",
                "to": "wide-aisle",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:world:charging-dock",
                "kind": "contains",
                "from": "world",
                "to": "charging-dock",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "robot-at-start",
                "kind": "connected_to",
                "from": "mobile-robot",
                "to": "robot-start",
                "directed": false,
                "attributes": {
                  "minimumClearanceMm": 1000
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "start-junction",
                "kind": "connected_to",
                "from": "robot-start",
                "to": "junction",
                "directed": false,
                "attributes": {
                  "minimumClearanceMm": 1000
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "junction-narrow",
                "kind": "connected_to",
                "from": "junction",
                "to": "narrow-aisle",
                "directed": false,
                "attributes": {
                  "minimumClearanceMm": 700,
                  "blocked": true
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "junction-wide",
                "kind": "connected_to",
                "from": "junction",
                "to": "wide-aisle",
                "directed": false,
                "attributes": {
                  "minimumClearanceMm": 1400
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "narrow-dock",
                "kind": "connected_to",
                "from": "narrow-aisle",
                "to": "charging-dock",
                "directed": false,
                "attributes": {
                  "minimumClearanceMm": 700
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "wide-dock",
                "kind": "connected_to",
                "from": "wide-aisle",
                "to": "charging-dock",
                "directed": false,
                "attributes": {
                  "minimumClearanceMm": 1400
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "metadata": {
              "unit": "mm",
              "description": "Operation-directed SFT context",
              "evidenceState": "IMPLEMENTED",
              "tags": [
                "robot",
                "reachability",
                "shared-state",
                "context-resolved"
              ]
            }
          },
          "stats": {
            "worldEntityCount": 8,
            "worldRelationCount": 13,
            "contextEntityCount": 7,
            "contextRelationCount": 12,
            "contextFrameCount": 1,
            "serializedBytes": 4894,
            "serializedTokens": 1360,
            "tokenizer": "o200k_base@gpt-tokenizer-4.0.0",
            "entityReductionRatio": 0.125,
            "relationReductionRatio": 0.07692307692307687
          },
          "solverResult": {
            "solver": "typed-reachability-bfs-v1",
            "status": "PASS",
            "precision": "EXACT",
            "summary": "A typed path connects Mobile Robot to Charging Dock.",
            "result": {
              "pathEntityIds": [
                "mobile-robot",
                "robot-start",
                "junction",
                "wide-aisle",
                "charging-dock"
              ],
              "relationIds": [
                "robot-at-start",
                "start-junction",
                "junction-wide",
                "wide-dock"
              ],
              "hopCount": 4
            },
            "trace": [
              {
                "code": "PATH_FOUND",
                "message": "4 relation hop(s) selected.",
                "entityIds": [
                  "mobile-robot",
                  "robot-start",
                  "junction",
                  "wide-aisle",
                  "charging-dock"
                ],
                "relationIds": [
                  "robot-at-start",
                  "start-junction",
                  "junction-wide",
                  "wide-dock"
                ]
              }
            ],
            "warnings": []
          },
          "validationIssues": [
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity world has semantic state but no metric bounds",
              "entityId": "world"
            }
          ]
        }
      ]
    },
    {
      "id": "game-locked-exit",
      "scenarioId": "game",
      "query": "Find a path from player to exit",
      "command": null,
      "strategies": [
        {
          "strategy": "FULL_SCENE",
          "sceneRevision": {
            "id": "sha256:a6c6bc1bc03c60a131762be0445272382b681acea77c40f0624c8331d7378a36",
            "contentId": "sha256:e41f727a1e80eede766d997f11c580181e4d42f170ae40efcb3f22bd71f1d7c6",
            "branch": "MAIN"
          },
          "compilation": {
            "status": "COMPILED",
            "source": "Find a path from player to exit",
            "normalizedSource": "find a path from player to exit",
            "matchedPattern": "path-from-to",
            "command": {
              "kind": "QUERY_REACHABILITY",
              "fromId": "player",
              "toId": "exit"
            },
            "diagnostics": [],
            "candidates": []
          },
          "contract": {
            "schemaVersion": "sft.context-contract.v1",
            "worldContentId": "sha256:e41f727a1e80eede766d997f11c580181e4d42f170ae40efcb3f22bd71f1d7c6",
            "sceneRevisionId": "sha256:a6c6bc1bc03c60a131762be0445272382b681acea77c40f0624c8331d7378a36",
            "sceneRevisionBranch": "MAIN",
            "scenarioId": "game",
            "source": "Find a path from player to exit",
            "strategy": "FULL_SCENE",
            "command": {
              "kind": "QUERY_REACHABILITY",
              "fromId": "player",
              "toId": "exit"
            },
            "solverAuthority": "typed-reachability-bfs-v1",
            "requiredEntityIds": [
              "exit",
              "hall",
              "player",
              "start-room",
              "world"
            ],
            "requiredRelationIds": [
              "contains:start-room:player",
              "contains:world:exit",
              "contains:world:hall",
              "contains:world:start-room",
              "hall-exit-door",
              "player-start",
              "start-hall"
            ],
            "requiredFrameIds": [
              "world"
            ],
            "requiredMetricFacts": [],
            "requiredSolverCapabilities": [
              "typed-reachability-bfs-v1"
            ],
            "requirements": [
              {
                "code": "ROUTE_GRAPH",
                "description": "Typed route edges must connect the requested endpoints.",
                "entityIds": [
                  "exit",
                  "hall",
                  "player",
                  "start-room"
                ],
                "relationIds": [
                  "hall-exit-door",
                  "player-start",
                  "start-hall"
                ],
                "metricFactIds": [],
                "solverCapabilities": [
                  "typed-reachability-bfs-v1"
                ],
                "requiredPrecision": "SEMANTIC_ONLY"
              }
            ],
            "missingEvidence": [],
            "authorityBoundary": "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged.",
            "id": "sha256:5e7991856d11f8302d67625cddedad1175e060ffdb5a7cd6b5cd8ce05bbdfb31"
          },
          "contextContentId": "sha256:e41f727a1e80eede766d997f11c580181e4d42f170ae40efcb3f22bd71f1d7c6",
          "contextGraph": {
            "entities": [
              {
                "attributes": {},
                "frameId": "world",
                "id": "world",
                "kind": "world",
                "name": "World",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {},
                "frameId": "world",
                "id": "start-room",
                "kind": "space",
                "name": "Start Room",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {},
                "frameId": "world",
                "id": "hall",
                "kind": "space",
                "name": "Hall",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {},
                "frameId": "world",
                "id": "exit",
                "kind": "space",
                "name": "Exit",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {},
                "frameId": "world",
                "id": "player",
                "kind": "game-actor",
                "name": "Player",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {},
                "frameId": "world",
                "id": "brass-key",
                "kind": "game-item",
                "name": "Brass Key",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "locked": true
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    3100,
                    900,
                    2100
                  ],
                  "min": [
                    3000,
                    0,
                    0
                  ],
                  "precision": "EXACT",
                  "source": "authored",
                  "tolerance": 0,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "locked-door",
                "kind": "opening",
                "name": "Locked Door",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "frames": [
              {
                "basis": [
                  [
                    1,
                    0,
                    0
                  ],
                  [
                    0,
                    1,
                    0
                  ],
                  [
                    0,
                    0,
                    1
                  ]
                ],
                "id": "world",
                "name": "Fixture world frame",
                "origin": [
                  0,
                  0,
                  0
                ],
                "precision": "EXACT",
                "tolerance": 0,
                "unit": "mm"
              }
            ],
            "id": "game-fixture",
            "metadata": {
              "description": "A small addressable game world whose locked-door branch remains separate from an unlocked counterfactual branch.",
              "evidenceState": "IMPLEMENTED",
              "tags": [
                "game-state",
                "revisions",
                "multi-agent"
              ],
              "unit": "mm"
            },
            "name": "Deterministic game-state fixture",
            "relations": [
              {
                "attributes": {},
                "directed": true,
                "from": "world",
                "id": "contains:world:start-room",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "start-room"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "world",
                "id": "contains:world:hall",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "hall"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "world",
                "id": "contains:world:exit",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "exit"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "start-room",
                "id": "contains:start-room:player",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "player"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "hall",
                "id": "contains:hall:key",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "brass-key"
              },
              {
                "attributes": {},
                "directed": false,
                "from": "start-room",
                "id": "start-hall",
                "kind": "connected_to",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "hall"
              },
              {
                "attributes": {
                  "blocked": true,
                  "openingId": "locked-door"
                },
                "directed": false,
                "from": "hall",
                "id": "hall-exit-door",
                "kind": "opens_into",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "exit"
              },
              {
                "attributes": {},
                "directed": false,
                "from": "player",
                "id": "player-start",
                "kind": "connected_to",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "start-room"
              }
            ],
            "rootEntityId": "world",
            "schemaVersion": "sft.scene.v1"
          },
          "stats": {
            "worldEntityCount": 7,
            "worldRelationCount": 8,
            "contextEntityCount": 7,
            "contextRelationCount": 8,
            "contextFrameCount": 1,
            "serializedBytes": 3161,
            "serializedTokens": 848,
            "tokenizer": "o200k_base@gpt-tokenizer-4.0.0",
            "entityReductionRatio": 0,
            "relationReductionRatio": 0
          },
          "solverResult": {
            "solver": "typed-reachability-bfs-v1",
            "status": "FAIL",
            "precision": "EXACT",
            "summary": "No permitted typed path connects Player to Exit.",
            "result": {
              "visitedEntityIds": [
                "hall",
                "player",
                "start-room"
              ],
              "blockedRelationIds": [
                "hall-exit-door"
              ]
            },
            "trace": [
              {
                "code": "PATH_EXHAUSTED",
                "message": "Visited 3 entity nodes without reaching the goal.",
                "entityIds": [
                  "player",
                  "start-room",
                  "hall"
                ]
              }
            ],
            "warnings": [
              "Edges without metric clearance were permitted because no minimum was requested."
            ]
          },
          "validationIssues": [
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity world has semantic state but no metric bounds",
              "entityId": "world"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity start-room has semantic state but no metric bounds",
              "entityId": "start-room"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity hall has semantic state but no metric bounds",
              "entityId": "hall"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity exit has semantic state but no metric bounds",
              "entityId": "exit"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity player has semantic state but no metric bounds",
              "entityId": "player"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity brass-key has semantic state but no metric bounds",
              "entityId": "brass-key"
            }
          ]
        },
        {
          "strategy": "LEXICAL_TOP_K",
          "sceneRevision": {
            "id": "sha256:a6c6bc1bc03c60a131762be0445272382b681acea77c40f0624c8331d7378a36",
            "contentId": "sha256:e41f727a1e80eede766d997f11c580181e4d42f170ae40efcb3f22bd71f1d7c6",
            "branch": "MAIN"
          },
          "compilation": {
            "status": "COMPILED",
            "source": "Find a path from player to exit",
            "normalizedSource": "find a path from player to exit",
            "matchedPattern": "path-from-to",
            "command": {
              "kind": "QUERY_REACHABILITY",
              "fromId": "player",
              "toId": "exit"
            },
            "diagnostics": [],
            "candidates": []
          },
          "contract": {
            "schemaVersion": "sft.context-contract.v1",
            "worldContentId": "sha256:e41f727a1e80eede766d997f11c580181e4d42f170ae40efcb3f22bd71f1d7c6",
            "sceneRevisionId": "sha256:a6c6bc1bc03c60a131762be0445272382b681acea77c40f0624c8331d7378a36",
            "sceneRevisionBranch": "MAIN",
            "scenarioId": "game",
            "source": "Find a path from player to exit",
            "strategy": "LEXICAL_TOP_K",
            "command": {
              "kind": "QUERY_REACHABILITY",
              "fromId": "player",
              "toId": "exit"
            },
            "solverAuthority": "typed-reachability-bfs-v1",
            "requiredEntityIds": [
              "exit",
              "hall",
              "player",
              "start-room",
              "world"
            ],
            "requiredRelationIds": [
              "contains:start-room:player",
              "contains:world:exit",
              "contains:world:hall",
              "contains:world:start-room",
              "hall-exit-door",
              "player-start",
              "start-hall"
            ],
            "requiredFrameIds": [
              "world"
            ],
            "requiredMetricFacts": [],
            "requiredSolverCapabilities": [
              "typed-reachability-bfs-v1"
            ],
            "requirements": [
              {
                "code": "ROUTE_GRAPH",
                "description": "Typed route edges must connect the requested endpoints.",
                "entityIds": [
                  "exit",
                  "hall",
                  "player",
                  "start-room"
                ],
                "relationIds": [
                  "hall-exit-door",
                  "player-start",
                  "start-hall"
                ],
                "metricFactIds": [],
                "solverCapabilities": [
                  "typed-reachability-bfs-v1"
                ],
                "requiredPrecision": "SEMANTIC_ONLY"
              }
            ],
            "missingEvidence": [
              {
                "code": "REQUIRED_ENTITY_NOT_SELECTED",
                "message": "1 required entity or containment ancestor(s) are absent from the selected context.",
                "entityIds": [
                  "hall"
                ],
                "relationIds": [],
                "metricFactIds": [],
                "solverCapabilities": []
              },
              {
                "code": "REQUIRED_RELATION_NOT_SELECTED",
                "message": "3 required relation(s) are absent from the selected context.",
                "entityIds": [],
                "relationIds": [
                  "contains:world:hall",
                  "hall-exit-door",
                  "start-hall"
                ],
                "metricFactIds": [],
                "solverCapabilities": []
              }
            ],
            "authorityBoundary": "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged.",
            "id": "sha256:b2ead795ccc42f85effefc0de968bc719e781dd85ed8292d9cc5765c8be0265d"
          },
          "contextContentId": "sha256:5e9046493c31629b43694e545c6668dba52579feb1562d8acd2c5c00cc611a63",
          "contextGraph": {
            "schemaVersion": "sft.scene.v1",
            "id": "game-fixture-context",
            "name": "Deterministic game-state fixture — context",
            "rootEntityId": "world",
            "frames": [
              {
                "id": "world",
                "name": "Fixture world frame",
                "origin": [
                  0,
                  0,
                  0
                ],
                "basis": [
                  [
                    1,
                    0,
                    0
                  ],
                  [
                    0,
                    1,
                    0
                  ],
                  [
                    0,
                    0,
                    1
                  ]
                ],
                "unit": "mm",
                "precision": "EXACT",
                "tolerance": 0
              }
            ],
            "entities": [
              {
                "id": "world",
                "name": "World",
                "kind": "world",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "start-room",
                "name": "Start Room",
                "kind": "space",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "exit",
                "name": "Exit",
                "kind": "space",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "player",
                "name": "Player",
                "kind": "game-actor",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "relations": [
              {
                "id": "contains:world:start-room",
                "kind": "contains",
                "from": "world",
                "to": "start-room",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:world:exit",
                "kind": "contains",
                "from": "world",
                "to": "exit",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:start-room:player",
                "kind": "contains",
                "from": "start-room",
                "to": "player",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "player-start",
                "kind": "connected_to",
                "from": "player",
                "to": "start-room",
                "directed": false,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "metadata": {
              "unit": "mm",
              "description": "Lexical top-k baseline context",
              "evidenceState": "IMPLEMENTED",
              "tags": [
                "game-state",
                "revisions",
                "multi-agent",
                "context-resolved"
              ]
            }
          },
          "stats": {
            "worldEntityCount": 7,
            "worldRelationCount": 8,
            "contextEntityCount": 4,
            "contextRelationCount": 4,
            "contextFrameCount": 1,
            "serializedBytes": 1791,
            "serializedTokens": 479,
            "tokenizer": "o200k_base@gpt-tokenizer-4.0.0",
            "entityReductionRatio": 0.4285714285714286,
            "relationReductionRatio": 0.5
          },
          "solverResult": {
            "solver": "typed-reachability-bfs-v1",
            "status": "UNKNOWN",
            "precision": "UNKNOWN",
            "summary": "The operation was not executed because required evidence is missing.",
            "result": {
              "missingEvidence": [
                {
                  "code": "REQUIRED_ENTITY_NOT_SELECTED",
                  "message": "1 required entity or containment ancestor(s) are absent from the selected context."
                },
                {
                  "code": "REQUIRED_RELATION_NOT_SELECTED",
                  "message": "3 required relation(s) are absent from the selected context."
                }
              ]
            },
            "trace": [
              {
                "code": "EVIDENCE_GATE",
                "message": "The Context Resolver refused to promote an under-specified operation to a solver conclusion."
              }
            ],
            "warnings": [
              "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged."
            ]
          },
          "validationIssues": [
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity world has semantic state but no metric bounds",
              "entityId": "world"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity start-room has semantic state but no metric bounds",
              "entityId": "start-room"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity exit has semantic state but no metric bounds",
              "entityId": "exit"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity player has semantic state but no metric bounds",
              "entityId": "player"
            }
          ]
        },
        {
          "strategy": "GRAPH_NEIGHBORHOOD",
          "sceneRevision": {
            "id": "sha256:a6c6bc1bc03c60a131762be0445272382b681acea77c40f0624c8331d7378a36",
            "contentId": "sha256:e41f727a1e80eede766d997f11c580181e4d42f170ae40efcb3f22bd71f1d7c6",
            "branch": "MAIN"
          },
          "compilation": {
            "status": "COMPILED",
            "source": "Find a path from player to exit",
            "normalizedSource": "find a path from player to exit",
            "matchedPattern": "path-from-to",
            "command": {
              "kind": "QUERY_REACHABILITY",
              "fromId": "player",
              "toId": "exit"
            },
            "diagnostics": [],
            "candidates": []
          },
          "contract": {
            "schemaVersion": "sft.context-contract.v1",
            "worldContentId": "sha256:e41f727a1e80eede766d997f11c580181e4d42f170ae40efcb3f22bd71f1d7c6",
            "sceneRevisionId": "sha256:a6c6bc1bc03c60a131762be0445272382b681acea77c40f0624c8331d7378a36",
            "sceneRevisionBranch": "MAIN",
            "scenarioId": "game",
            "source": "Find a path from player to exit",
            "strategy": "GRAPH_NEIGHBORHOOD",
            "command": {
              "kind": "QUERY_REACHABILITY",
              "fromId": "player",
              "toId": "exit"
            },
            "solverAuthority": "typed-reachability-bfs-v1",
            "requiredEntityIds": [
              "exit",
              "hall",
              "player",
              "start-room",
              "world"
            ],
            "requiredRelationIds": [
              "contains:start-room:player",
              "contains:world:exit",
              "contains:world:hall",
              "contains:world:start-room",
              "hall-exit-door",
              "player-start",
              "start-hall"
            ],
            "requiredFrameIds": [
              "world"
            ],
            "requiredMetricFacts": [],
            "requiredSolverCapabilities": [
              "typed-reachability-bfs-v1"
            ],
            "requirements": [
              {
                "code": "ROUTE_GRAPH",
                "description": "Typed route edges must connect the requested endpoints.",
                "entityIds": [
                  "exit",
                  "hall",
                  "player",
                  "start-room"
                ],
                "relationIds": [
                  "hall-exit-door",
                  "player-start",
                  "start-hall"
                ],
                "metricFactIds": [],
                "solverCapabilities": [
                  "typed-reachability-bfs-v1"
                ],
                "requiredPrecision": "SEMANTIC_ONLY"
              }
            ],
            "missingEvidence": [],
            "authorityBoundary": "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged.",
            "id": "sha256:6978a20dcfa44fc122caa44840cfe8b51a5131e3f0134f95c10507f1e98b53aa"
          },
          "contextContentId": "sha256:9fe5f59e73c9153986be22e8a536ea709eb81e903299f989fb2feb2dc22a3e4f",
          "contextGraph": {
            "schemaVersion": "sft.scene.v1",
            "id": "game-fixture-context",
            "name": "Deterministic game-state fixture — context",
            "rootEntityId": "world",
            "frames": [
              {
                "id": "world",
                "name": "Fixture world frame",
                "origin": [
                  0,
                  0,
                  0
                ],
                "basis": [
                  [
                    1,
                    0,
                    0
                  ],
                  [
                    0,
                    1,
                    0
                  ],
                  [
                    0,
                    0,
                    1
                  ]
                ],
                "unit": "mm",
                "precision": "EXACT",
                "tolerance": 0
              }
            ],
            "entities": [
              {
                "id": "world",
                "name": "World",
                "kind": "world",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "start-room",
                "name": "Start Room",
                "kind": "space",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "hall",
                "name": "Hall",
                "kind": "space",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "exit",
                "name": "Exit",
                "kind": "space",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "player",
                "name": "Player",
                "kind": "game-actor",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "relations": [
              {
                "id": "contains:world:start-room",
                "kind": "contains",
                "from": "world",
                "to": "start-room",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:world:hall",
                "kind": "contains",
                "from": "world",
                "to": "hall",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:world:exit",
                "kind": "contains",
                "from": "world",
                "to": "exit",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:start-room:player",
                "kind": "contains",
                "from": "start-room",
                "to": "player",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "start-hall",
                "kind": "connected_to",
                "from": "start-room",
                "to": "hall",
                "directed": false,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "hall-exit-door",
                "kind": "opens_into",
                "from": "hall",
                "to": "exit",
                "directed": false,
                "attributes": {
                  "blocked": true,
                  "openingId": "locked-door"
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "player-start",
                "kind": "connected_to",
                "from": "player",
                "to": "start-room",
                "directed": false,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "metadata": {
              "unit": "mm",
              "description": "One-hop graph-neighborhood baseline context",
              "evidenceState": "IMPLEMENTED",
              "tags": [
                "game-state",
                "revisions",
                "multi-agent",
                "context-resolved"
              ]
            }
          },
          "stats": {
            "worldEntityCount": 7,
            "worldRelationCount": 8,
            "contextEntityCount": 5,
            "contextRelationCount": 7,
            "contextFrameCount": 1,
            "serializedBytes": 2497,
            "serializedTokens": 665,
            "tokenizer": "o200k_base@gpt-tokenizer-4.0.0",
            "entityReductionRatio": 0.2857142857142857,
            "relationReductionRatio": 0.125
          },
          "solverResult": {
            "solver": "typed-reachability-bfs-v1",
            "status": "FAIL",
            "precision": "EXACT",
            "summary": "No permitted typed path connects Player to Exit.",
            "result": {
              "visitedEntityIds": [
                "hall",
                "player",
                "start-room"
              ],
              "blockedRelationIds": [
                "hall-exit-door"
              ]
            },
            "trace": [
              {
                "code": "PATH_EXHAUSTED",
                "message": "Visited 3 entity nodes without reaching the goal.",
                "entityIds": [
                  "player",
                  "start-room",
                  "hall"
                ]
              }
            ],
            "warnings": [
              "Edges without metric clearance were permitted because no minimum was requested."
            ]
          },
          "validationIssues": [
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity world has semantic state but no metric bounds",
              "entityId": "world"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity start-room has semantic state but no metric bounds",
              "entityId": "start-room"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity hall has semantic state but no metric bounds",
              "entityId": "hall"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity exit has semantic state but no metric bounds",
              "entityId": "exit"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity player has semantic state but no metric bounds",
              "entityId": "player"
            }
          ]
        },
        {
          "strategy": "SFT_OPERATIONAL",
          "sceneRevision": {
            "id": "sha256:a6c6bc1bc03c60a131762be0445272382b681acea77c40f0624c8331d7378a36",
            "contentId": "sha256:e41f727a1e80eede766d997f11c580181e4d42f170ae40efcb3f22bd71f1d7c6",
            "branch": "MAIN"
          },
          "compilation": {
            "status": "COMPILED",
            "source": "Find a path from player to exit",
            "normalizedSource": "find a path from player to exit",
            "matchedPattern": "path-from-to",
            "command": {
              "kind": "QUERY_REACHABILITY",
              "fromId": "player",
              "toId": "exit"
            },
            "diagnostics": [],
            "candidates": []
          },
          "contract": {
            "schemaVersion": "sft.context-contract.v1",
            "worldContentId": "sha256:e41f727a1e80eede766d997f11c580181e4d42f170ae40efcb3f22bd71f1d7c6",
            "sceneRevisionId": "sha256:a6c6bc1bc03c60a131762be0445272382b681acea77c40f0624c8331d7378a36",
            "sceneRevisionBranch": "MAIN",
            "scenarioId": "game",
            "source": "Find a path from player to exit",
            "strategy": "SFT_OPERATIONAL",
            "command": {
              "kind": "QUERY_REACHABILITY",
              "fromId": "player",
              "toId": "exit"
            },
            "solverAuthority": "typed-reachability-bfs-v1",
            "requiredEntityIds": [
              "exit",
              "hall",
              "player",
              "start-room",
              "world"
            ],
            "requiredRelationIds": [
              "contains:start-room:player",
              "contains:world:exit",
              "contains:world:hall",
              "contains:world:start-room",
              "hall-exit-door",
              "player-start",
              "start-hall"
            ],
            "requiredFrameIds": [
              "world"
            ],
            "requiredMetricFacts": [],
            "requiredSolverCapabilities": [
              "typed-reachability-bfs-v1"
            ],
            "requirements": [
              {
                "code": "ROUTE_GRAPH",
                "description": "Typed route edges must connect the requested endpoints.",
                "entityIds": [
                  "exit",
                  "hall",
                  "player",
                  "start-room"
                ],
                "relationIds": [
                  "hall-exit-door",
                  "player-start",
                  "start-hall"
                ],
                "metricFactIds": [],
                "solverCapabilities": [
                  "typed-reachability-bfs-v1"
                ],
                "requiredPrecision": "SEMANTIC_ONLY"
              }
            ],
            "missingEvidence": [],
            "authorityBoundary": "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged.",
            "id": "sha256:7aada25a02f5865a6ac8aa050866c32ac87c5ad72fcae425d3d8e2741702e8a3"
          },
          "contextContentId": "sha256:8dd06b7ab1a8db5b13ab9fe7700ea0dd775ceed5b73c875ea25d084450c16cd1",
          "contextGraph": {
            "schemaVersion": "sft.scene.v1",
            "id": "game-fixture-context",
            "name": "Deterministic game-state fixture — context",
            "rootEntityId": "world",
            "frames": [
              {
                "id": "world",
                "name": "Fixture world frame",
                "origin": [
                  0,
                  0,
                  0
                ],
                "basis": [
                  [
                    1,
                    0,
                    0
                  ],
                  [
                    0,
                    1,
                    0
                  ],
                  [
                    0,
                    0,
                    1
                  ]
                ],
                "unit": "mm",
                "precision": "EXACT",
                "tolerance": 0
              }
            ],
            "entities": [
              {
                "id": "world",
                "name": "World",
                "kind": "world",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "start-room",
                "name": "Start Room",
                "kind": "space",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "hall",
                "name": "Hall",
                "kind": "space",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "exit",
                "name": "Exit",
                "kind": "space",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "player",
                "name": "Player",
                "kind": "game-actor",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "relations": [
              {
                "id": "contains:world:start-room",
                "kind": "contains",
                "from": "world",
                "to": "start-room",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:world:hall",
                "kind": "contains",
                "from": "world",
                "to": "hall",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:world:exit",
                "kind": "contains",
                "from": "world",
                "to": "exit",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:start-room:player",
                "kind": "contains",
                "from": "start-room",
                "to": "player",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "start-hall",
                "kind": "connected_to",
                "from": "start-room",
                "to": "hall",
                "directed": false,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "hall-exit-door",
                "kind": "opens_into",
                "from": "hall",
                "to": "exit",
                "directed": false,
                "attributes": {
                  "blocked": true,
                  "openingId": "locked-door"
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "player-start",
                "kind": "connected_to",
                "from": "player",
                "to": "start-room",
                "directed": false,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "metadata": {
              "unit": "mm",
              "description": "Operation-directed SFT context",
              "evidenceState": "IMPLEMENTED",
              "tags": [
                "game-state",
                "revisions",
                "multi-agent",
                "context-resolved"
              ]
            }
          },
          "stats": {
            "worldEntityCount": 7,
            "worldRelationCount": 8,
            "contextEntityCount": 5,
            "contextRelationCount": 7,
            "contextFrameCount": 1,
            "serializedBytes": 2484,
            "serializedTokens": 663,
            "tokenizer": "o200k_base@gpt-tokenizer-4.0.0",
            "entityReductionRatio": 0.2857142857142857,
            "relationReductionRatio": 0.125
          },
          "solverResult": {
            "solver": "typed-reachability-bfs-v1",
            "status": "FAIL",
            "precision": "EXACT",
            "summary": "No permitted typed path connects Player to Exit.",
            "result": {
              "visitedEntityIds": [
                "hall",
                "player",
                "start-room"
              ],
              "blockedRelationIds": [
                "hall-exit-door"
              ]
            },
            "trace": [
              {
                "code": "PATH_EXHAUSTED",
                "message": "Visited 3 entity nodes without reaching the goal.",
                "entityIds": [
                  "player",
                  "start-room",
                  "hall"
                ]
              }
            ],
            "warnings": [
              "Edges without metric clearance were permitted because no minimum was requested."
            ]
          },
          "validationIssues": [
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity world has semantic state but no metric bounds",
              "entityId": "world"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity start-room has semantic state but no metric bounds",
              "entityId": "start-room"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity hall has semantic state but no metric bounds",
              "entityId": "hall"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity exit has semantic state but no metric bounds",
              "entityId": "exit"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity player has semantic state but no metric bounds",
              "entityId": "player"
            }
          ]
        }
      ]
    },
    {
      "id": "game-clearance-missing-evidence-control",
      "scenarioId": "game",
      "query": "[typed control] Find a 900 mm-clear path from player to exit",
      "command": {
        "kind": "QUERY_REACHABILITY",
        "fromId": "player",
        "toId": "exit",
        "minimumClearance": {
          "min": 900,
          "max": 900,
          "unit": "mm"
        }
      },
      "strategies": [
        {
          "strategy": "FULL_SCENE",
          "sceneRevision": {
            "id": "sha256:a6c6bc1bc03c60a131762be0445272382b681acea77c40f0624c8331d7378a36",
            "contentId": "sha256:e41f727a1e80eede766d997f11c580181e4d42f170ae40efcb3f22bd71f1d7c6",
            "branch": "MAIN"
          },
          "compilation": {
            "status": "COMPILED",
            "source": "[typed command]",
            "normalizedSource": "[typed command]",
            "matchedPattern": "typed-command-input",
            "command": {
              "kind": "QUERY_REACHABILITY",
              "fromId": "player",
              "toId": "exit",
              "minimumClearance": {
                "min": 900,
                "max": 900,
                "unit": "mm"
              }
            },
            "diagnostics": [],
            "candidates": []
          },
          "contract": {
            "schemaVersion": "sft.context-contract.v1",
            "worldContentId": "sha256:e41f727a1e80eede766d997f11c580181e4d42f170ae40efcb3f22bd71f1d7c6",
            "sceneRevisionId": "sha256:a6c6bc1bc03c60a131762be0445272382b681acea77c40f0624c8331d7378a36",
            "sceneRevisionBranch": "MAIN",
            "scenarioId": "game",
            "source": "[typed control] Find a 900 mm-clear path from player to exit",
            "strategy": "FULL_SCENE",
            "command": {
              "kind": "QUERY_REACHABILITY",
              "fromId": "player",
              "toId": "exit",
              "minimumClearance": {
                "min": 900,
                "max": 900,
                "unit": "mm"
              }
            },
            "solverAuthority": "typed-reachability-bfs-v1",
            "requiredEntityIds": [
              "exit",
              "hall",
              "player",
              "start-room",
              "world"
            ],
            "requiredRelationIds": [
              "contains:start-room:player",
              "contains:world:exit",
              "contains:world:hall",
              "contains:world:start-room",
              "hall-exit-door",
              "player-start",
              "start-hall"
            ],
            "requiredFrameIds": [
              "world"
            ],
            "requiredMetricFacts": [
              {
                "id": "relation:hall-exit-door:attributes.minimumClearanceMm",
                "ownerType": "relation",
                "ownerId": "hall-exit-door",
                "path": "attributes.minimumClearanceMm",
                "precision": "UNKNOWN",
                "sourceId": "sft-runtime-fixture"
              },
              {
                "id": "relation:player-start:attributes.minimumClearanceMm",
                "ownerType": "relation",
                "ownerId": "player-start",
                "path": "attributes.minimumClearanceMm",
                "precision": "UNKNOWN",
                "sourceId": "sft-runtime-fixture"
              },
              {
                "id": "relation:start-hall:attributes.minimumClearanceMm",
                "ownerType": "relation",
                "ownerId": "start-hall",
                "path": "attributes.minimumClearanceMm",
                "precision": "UNKNOWN",
                "sourceId": "sft-runtime-fixture"
              }
            ],
            "requiredSolverCapabilities": [
              "typed-reachability-bfs-v1"
            ],
            "requirements": [
              {
                "code": "ROUTE_GRAPH",
                "description": "Typed route edges must connect the requested endpoints.",
                "entityIds": [
                  "exit",
                  "hall",
                  "player",
                  "start-room"
                ],
                "relationIds": [
                  "hall-exit-door",
                  "player-start",
                  "start-hall"
                ],
                "metricFactIds": [],
                "solverCapabilities": [
                  "typed-reachability-bfs-v1"
                ],
                "requiredPrecision": "SEMANTIC_ONLY"
              },
              {
                "code": "ROUTE_CLEARANCE",
                "description": "Every candidate edge requires authored clearance evidence.",
                "entityIds": [
                  "exit",
                  "hall",
                  "player",
                  "start-room"
                ],
                "relationIds": [
                  "hall-exit-door",
                  "player-start",
                  "start-hall"
                ],
                "metricFactIds": [
                  "relation:hall-exit-door:attributes.minimumClearanceMm",
                  "relation:player-start:attributes.minimumClearanceMm",
                  "relation:start-hall:attributes.minimumClearanceMm"
                ],
                "solverCapabilities": [
                  "typed-reachability-bfs-v1"
                ],
                "requiredPrecision": "BOUNDED"
              }
            ],
            "missingEvidence": [
              {
                "code": "EDGE_CLEARANCE_MISSING",
                "message": "3 candidate edge(s) lack minimum-clearance evidence.",
                "entityIds": [],
                "relationIds": [
                  "hall-exit-door",
                  "player-start",
                  "start-hall"
                ],
                "metricFactIds": [
                  "relation:hall-exit-door:attributes.minimumClearanceMm",
                  "relation:player-start:attributes.minimumClearanceMm",
                  "relation:start-hall:attributes.minimumClearanceMm"
                ],
                "solverCapabilities": []
              },
              {
                "code": "REQUIRED_METRIC_FACT_NOT_SELECTED",
                "message": "3 required metric fact(s) are absent from the selected context.",
                "entityIds": [],
                "relationIds": [],
                "metricFactIds": [
                  "relation:hall-exit-door:attributes.minimumClearanceMm",
                  "relation:player-start:attributes.minimumClearanceMm",
                  "relation:start-hall:attributes.minimumClearanceMm"
                ],
                "solverCapabilities": []
              }
            ],
            "authorityBoundary": "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged.",
            "id": "sha256:4cd85f773665974bcff2d3d8fa463dfc6dacee5a0a6ad7c817212255616cfeb3"
          },
          "contextContentId": "sha256:e41f727a1e80eede766d997f11c580181e4d42f170ae40efcb3f22bd71f1d7c6",
          "contextGraph": {
            "entities": [
              {
                "attributes": {},
                "frameId": "world",
                "id": "world",
                "kind": "world",
                "name": "World",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {},
                "frameId": "world",
                "id": "start-room",
                "kind": "space",
                "name": "Start Room",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {},
                "frameId": "world",
                "id": "hall",
                "kind": "space",
                "name": "Hall",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {},
                "frameId": "world",
                "id": "exit",
                "kind": "space",
                "name": "Exit",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {},
                "frameId": "world",
                "id": "player",
                "kind": "game-actor",
                "name": "Player",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {},
                "frameId": "world",
                "id": "brass-key",
                "kind": "game-item",
                "name": "Brass Key",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "attributes": {
                  "locked": true
                },
                "bounds": {
                  "frameId": "world",
                  "max": [
                    3100,
                    900,
                    2100
                  ],
                  "min": [
                    3000,
                    0,
                    0
                  ],
                  "precision": "EXACT",
                  "source": "authored",
                  "tolerance": 0,
                  "unit": "mm"
                },
                "frameId": "world",
                "id": "locked-door",
                "kind": "opening",
                "name": "Locked Door",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "frames": [
              {
                "basis": [
                  [
                    1,
                    0,
                    0
                  ],
                  [
                    0,
                    1,
                    0
                  ],
                  [
                    0,
                    0,
                    1
                  ]
                ],
                "id": "world",
                "name": "Fixture world frame",
                "origin": [
                  0,
                  0,
                  0
                ],
                "precision": "EXACT",
                "tolerance": 0,
                "unit": "mm"
              }
            ],
            "id": "game-fixture",
            "metadata": {
              "description": "A small addressable game world whose locked-door branch remains separate from an unlocked counterfactual branch.",
              "evidenceState": "IMPLEMENTED",
              "tags": [
                "game-state",
                "revisions",
                "multi-agent"
              ],
              "unit": "mm"
            },
            "name": "Deterministic game-state fixture",
            "relations": [
              {
                "attributes": {},
                "directed": true,
                "from": "world",
                "id": "contains:world:start-room",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "start-room"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "world",
                "id": "contains:world:hall",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "hall"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "world",
                "id": "contains:world:exit",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "exit"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "start-room",
                "id": "contains:start-room:player",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "player"
              },
              {
                "attributes": {},
                "directed": true,
                "from": "hall",
                "id": "contains:hall:key",
                "kind": "contains",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "brass-key"
              },
              {
                "attributes": {},
                "directed": false,
                "from": "start-room",
                "id": "start-hall",
                "kind": "connected_to",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "hall"
              },
              {
                "attributes": {
                  "blocked": true,
                  "openingId": "locked-door"
                },
                "directed": false,
                "from": "hall",
                "id": "hall-exit-door",
                "kind": "opens_into",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "exit"
              },
              {
                "attributes": {},
                "directed": false,
                "from": "player",
                "id": "player-start",
                "kind": "connected_to",
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                },
                "to": "start-room"
              }
            ],
            "rootEntityId": "world",
            "schemaVersion": "sft.scene.v1"
          },
          "stats": {
            "worldEntityCount": 7,
            "worldRelationCount": 8,
            "contextEntityCount": 7,
            "contextRelationCount": 8,
            "contextFrameCount": 1,
            "serializedBytes": 3161,
            "serializedTokens": 848,
            "tokenizer": "o200k_base@gpt-tokenizer-4.0.0",
            "entityReductionRatio": 0,
            "relationReductionRatio": 0
          },
          "solverResult": {
            "solver": "typed-reachability-bfs-v1",
            "status": "UNKNOWN",
            "precision": "UNKNOWN",
            "summary": "The operation was not executed because required evidence is missing.",
            "result": {
              "missingEvidence": [
                {
                  "code": "EDGE_CLEARANCE_MISSING",
                  "message": "3 candidate edge(s) lack minimum-clearance evidence."
                },
                {
                  "code": "REQUIRED_METRIC_FACT_NOT_SELECTED",
                  "message": "3 required metric fact(s) are absent from the selected context."
                }
              ]
            },
            "trace": [
              {
                "code": "EVIDENCE_GATE",
                "message": "The Context Resolver refused to promote an under-specified operation to a solver conclusion."
              }
            ],
            "warnings": [
              "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged."
            ]
          },
          "validationIssues": [
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity world has semantic state but no metric bounds",
              "entityId": "world"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity start-room has semantic state but no metric bounds",
              "entityId": "start-room"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity hall has semantic state but no metric bounds",
              "entityId": "hall"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity exit has semantic state but no metric bounds",
              "entityId": "exit"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity player has semantic state but no metric bounds",
              "entityId": "player"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity brass-key has semantic state but no metric bounds",
              "entityId": "brass-key"
            }
          ]
        },
        {
          "strategy": "LEXICAL_TOP_K",
          "sceneRevision": {
            "id": "sha256:a6c6bc1bc03c60a131762be0445272382b681acea77c40f0624c8331d7378a36",
            "contentId": "sha256:e41f727a1e80eede766d997f11c580181e4d42f170ae40efcb3f22bd71f1d7c6",
            "branch": "MAIN"
          },
          "compilation": {
            "status": "COMPILED",
            "source": "[typed command]",
            "normalizedSource": "[typed command]",
            "matchedPattern": "typed-command-input",
            "command": {
              "kind": "QUERY_REACHABILITY",
              "fromId": "player",
              "toId": "exit",
              "minimumClearance": {
                "min": 900,
                "max": 900,
                "unit": "mm"
              }
            },
            "diagnostics": [],
            "candidates": []
          },
          "contract": {
            "schemaVersion": "sft.context-contract.v1",
            "worldContentId": "sha256:e41f727a1e80eede766d997f11c580181e4d42f170ae40efcb3f22bd71f1d7c6",
            "sceneRevisionId": "sha256:a6c6bc1bc03c60a131762be0445272382b681acea77c40f0624c8331d7378a36",
            "sceneRevisionBranch": "MAIN",
            "scenarioId": "game",
            "source": "[typed control] Find a 900 mm-clear path from player to exit",
            "strategy": "LEXICAL_TOP_K",
            "command": {
              "kind": "QUERY_REACHABILITY",
              "fromId": "player",
              "toId": "exit",
              "minimumClearance": {
                "min": 900,
                "max": 900,
                "unit": "mm"
              }
            },
            "solverAuthority": "typed-reachability-bfs-v1",
            "requiredEntityIds": [
              "exit",
              "hall",
              "player",
              "start-room",
              "world"
            ],
            "requiredRelationIds": [
              "contains:start-room:player",
              "contains:world:exit",
              "contains:world:hall",
              "contains:world:start-room",
              "hall-exit-door",
              "player-start",
              "start-hall"
            ],
            "requiredFrameIds": [
              "world"
            ],
            "requiredMetricFacts": [
              {
                "id": "relation:hall-exit-door:attributes.minimumClearanceMm",
                "ownerType": "relation",
                "ownerId": "hall-exit-door",
                "path": "attributes.minimumClearanceMm",
                "precision": "UNKNOWN",
                "sourceId": "sft-runtime-fixture"
              },
              {
                "id": "relation:player-start:attributes.minimumClearanceMm",
                "ownerType": "relation",
                "ownerId": "player-start",
                "path": "attributes.minimumClearanceMm",
                "precision": "UNKNOWN",
                "sourceId": "sft-runtime-fixture"
              },
              {
                "id": "relation:start-hall:attributes.minimumClearanceMm",
                "ownerType": "relation",
                "ownerId": "start-hall",
                "path": "attributes.minimumClearanceMm",
                "precision": "UNKNOWN",
                "sourceId": "sft-runtime-fixture"
              }
            ],
            "requiredSolverCapabilities": [
              "typed-reachability-bfs-v1"
            ],
            "requirements": [
              {
                "code": "ROUTE_GRAPH",
                "description": "Typed route edges must connect the requested endpoints.",
                "entityIds": [
                  "exit",
                  "hall",
                  "player",
                  "start-room"
                ],
                "relationIds": [
                  "hall-exit-door",
                  "player-start",
                  "start-hall"
                ],
                "metricFactIds": [],
                "solverCapabilities": [
                  "typed-reachability-bfs-v1"
                ],
                "requiredPrecision": "SEMANTIC_ONLY"
              },
              {
                "code": "ROUTE_CLEARANCE",
                "description": "Every candidate edge requires authored clearance evidence.",
                "entityIds": [
                  "exit",
                  "hall",
                  "player",
                  "start-room"
                ],
                "relationIds": [
                  "hall-exit-door",
                  "player-start",
                  "start-hall"
                ],
                "metricFactIds": [
                  "relation:hall-exit-door:attributes.minimumClearanceMm",
                  "relation:player-start:attributes.minimumClearanceMm",
                  "relation:start-hall:attributes.minimumClearanceMm"
                ],
                "solverCapabilities": [
                  "typed-reachability-bfs-v1"
                ],
                "requiredPrecision": "BOUNDED"
              }
            ],
            "missingEvidence": [
              {
                "code": "EDGE_CLEARANCE_MISSING",
                "message": "3 candidate edge(s) lack minimum-clearance evidence.",
                "entityIds": [],
                "relationIds": [
                  "hall-exit-door",
                  "player-start",
                  "start-hall"
                ],
                "metricFactIds": [
                  "relation:hall-exit-door:attributes.minimumClearanceMm",
                  "relation:player-start:attributes.minimumClearanceMm",
                  "relation:start-hall:attributes.minimumClearanceMm"
                ],
                "solverCapabilities": []
              },
              {
                "code": "REQUIRED_ENTITY_NOT_SELECTED",
                "message": "1 required entity or containment ancestor(s) are absent from the selected context.",
                "entityIds": [
                  "hall"
                ],
                "relationIds": [],
                "metricFactIds": [],
                "solverCapabilities": []
              },
              {
                "code": "REQUIRED_RELATION_NOT_SELECTED",
                "message": "3 required relation(s) are absent from the selected context.",
                "entityIds": [],
                "relationIds": [
                  "contains:world:hall",
                  "hall-exit-door",
                  "start-hall"
                ],
                "metricFactIds": [],
                "solverCapabilities": []
              },
              {
                "code": "REQUIRED_METRIC_FACT_NOT_SELECTED",
                "message": "3 required metric fact(s) are absent from the selected context.",
                "entityIds": [],
                "relationIds": [],
                "metricFactIds": [
                  "relation:hall-exit-door:attributes.minimumClearanceMm",
                  "relation:player-start:attributes.minimumClearanceMm",
                  "relation:start-hall:attributes.minimumClearanceMm"
                ],
                "solverCapabilities": []
              }
            ],
            "authorityBoundary": "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged.",
            "id": "sha256:0d4979a0e833be2ba093e7c71c04484e7f01ed94acc1022cfd66422bfb3c4254"
          },
          "contextContentId": "sha256:5e9046493c31629b43694e545c6668dba52579feb1562d8acd2c5c00cc611a63",
          "contextGraph": {
            "schemaVersion": "sft.scene.v1",
            "id": "game-fixture-context",
            "name": "Deterministic game-state fixture — context",
            "rootEntityId": "world",
            "frames": [
              {
                "id": "world",
                "name": "Fixture world frame",
                "origin": [
                  0,
                  0,
                  0
                ],
                "basis": [
                  [
                    1,
                    0,
                    0
                  ],
                  [
                    0,
                    1,
                    0
                  ],
                  [
                    0,
                    0,
                    1
                  ]
                ],
                "unit": "mm",
                "precision": "EXACT",
                "tolerance": 0
              }
            ],
            "entities": [
              {
                "id": "world",
                "name": "World",
                "kind": "world",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "start-room",
                "name": "Start Room",
                "kind": "space",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "exit",
                "name": "Exit",
                "kind": "space",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "player",
                "name": "Player",
                "kind": "game-actor",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "relations": [
              {
                "id": "contains:world:start-room",
                "kind": "contains",
                "from": "world",
                "to": "start-room",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:world:exit",
                "kind": "contains",
                "from": "world",
                "to": "exit",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:start-room:player",
                "kind": "contains",
                "from": "start-room",
                "to": "player",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "player-start",
                "kind": "connected_to",
                "from": "player",
                "to": "start-room",
                "directed": false,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "metadata": {
              "unit": "mm",
              "description": "Lexical top-k baseline context",
              "evidenceState": "IMPLEMENTED",
              "tags": [
                "game-state",
                "revisions",
                "multi-agent",
                "context-resolved"
              ]
            }
          },
          "stats": {
            "worldEntityCount": 7,
            "worldRelationCount": 8,
            "contextEntityCount": 4,
            "contextRelationCount": 4,
            "contextFrameCount": 1,
            "serializedBytes": 1791,
            "serializedTokens": 479,
            "tokenizer": "o200k_base@gpt-tokenizer-4.0.0",
            "entityReductionRatio": 0.4285714285714286,
            "relationReductionRatio": 0.5
          },
          "solverResult": {
            "solver": "typed-reachability-bfs-v1",
            "status": "UNKNOWN",
            "precision": "UNKNOWN",
            "summary": "The operation was not executed because required evidence is missing.",
            "result": {
              "missingEvidence": [
                {
                  "code": "EDGE_CLEARANCE_MISSING",
                  "message": "3 candidate edge(s) lack minimum-clearance evidence."
                },
                {
                  "code": "REQUIRED_ENTITY_NOT_SELECTED",
                  "message": "1 required entity or containment ancestor(s) are absent from the selected context."
                },
                {
                  "code": "REQUIRED_RELATION_NOT_SELECTED",
                  "message": "3 required relation(s) are absent from the selected context."
                },
                {
                  "code": "REQUIRED_METRIC_FACT_NOT_SELECTED",
                  "message": "3 required metric fact(s) are absent from the selected context."
                }
              ]
            },
            "trace": [
              {
                "code": "EVIDENCE_GATE",
                "message": "The Context Resolver refused to promote an under-specified operation to a solver conclusion."
              }
            ],
            "warnings": [
              "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged."
            ]
          },
          "validationIssues": [
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity world has semantic state but no metric bounds",
              "entityId": "world"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity start-room has semantic state but no metric bounds",
              "entityId": "start-room"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity exit has semantic state but no metric bounds",
              "entityId": "exit"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity player has semantic state but no metric bounds",
              "entityId": "player"
            }
          ]
        },
        {
          "strategy": "GRAPH_NEIGHBORHOOD",
          "sceneRevision": {
            "id": "sha256:a6c6bc1bc03c60a131762be0445272382b681acea77c40f0624c8331d7378a36",
            "contentId": "sha256:e41f727a1e80eede766d997f11c580181e4d42f170ae40efcb3f22bd71f1d7c6",
            "branch": "MAIN"
          },
          "compilation": {
            "status": "COMPILED",
            "source": "[typed command]",
            "normalizedSource": "[typed command]",
            "matchedPattern": "typed-command-input",
            "command": {
              "kind": "QUERY_REACHABILITY",
              "fromId": "player",
              "toId": "exit",
              "minimumClearance": {
                "min": 900,
                "max": 900,
                "unit": "mm"
              }
            },
            "diagnostics": [],
            "candidates": []
          },
          "contract": {
            "schemaVersion": "sft.context-contract.v1",
            "worldContentId": "sha256:e41f727a1e80eede766d997f11c580181e4d42f170ae40efcb3f22bd71f1d7c6",
            "sceneRevisionId": "sha256:a6c6bc1bc03c60a131762be0445272382b681acea77c40f0624c8331d7378a36",
            "sceneRevisionBranch": "MAIN",
            "scenarioId": "game",
            "source": "[typed control] Find a 900 mm-clear path from player to exit",
            "strategy": "GRAPH_NEIGHBORHOOD",
            "command": {
              "kind": "QUERY_REACHABILITY",
              "fromId": "player",
              "toId": "exit",
              "minimumClearance": {
                "min": 900,
                "max": 900,
                "unit": "mm"
              }
            },
            "solverAuthority": "typed-reachability-bfs-v1",
            "requiredEntityIds": [
              "exit",
              "hall",
              "player",
              "start-room",
              "world"
            ],
            "requiredRelationIds": [
              "contains:start-room:player",
              "contains:world:exit",
              "contains:world:hall",
              "contains:world:start-room",
              "hall-exit-door",
              "player-start",
              "start-hall"
            ],
            "requiredFrameIds": [
              "world"
            ],
            "requiredMetricFacts": [
              {
                "id": "relation:hall-exit-door:attributes.minimumClearanceMm",
                "ownerType": "relation",
                "ownerId": "hall-exit-door",
                "path": "attributes.minimumClearanceMm",
                "precision": "UNKNOWN",
                "sourceId": "sft-runtime-fixture"
              },
              {
                "id": "relation:player-start:attributes.minimumClearanceMm",
                "ownerType": "relation",
                "ownerId": "player-start",
                "path": "attributes.minimumClearanceMm",
                "precision": "UNKNOWN",
                "sourceId": "sft-runtime-fixture"
              },
              {
                "id": "relation:start-hall:attributes.minimumClearanceMm",
                "ownerType": "relation",
                "ownerId": "start-hall",
                "path": "attributes.minimumClearanceMm",
                "precision": "UNKNOWN",
                "sourceId": "sft-runtime-fixture"
              }
            ],
            "requiredSolverCapabilities": [
              "typed-reachability-bfs-v1"
            ],
            "requirements": [
              {
                "code": "ROUTE_GRAPH",
                "description": "Typed route edges must connect the requested endpoints.",
                "entityIds": [
                  "exit",
                  "hall",
                  "player",
                  "start-room"
                ],
                "relationIds": [
                  "hall-exit-door",
                  "player-start",
                  "start-hall"
                ],
                "metricFactIds": [],
                "solverCapabilities": [
                  "typed-reachability-bfs-v1"
                ],
                "requiredPrecision": "SEMANTIC_ONLY"
              },
              {
                "code": "ROUTE_CLEARANCE",
                "description": "Every candidate edge requires authored clearance evidence.",
                "entityIds": [
                  "exit",
                  "hall",
                  "player",
                  "start-room"
                ],
                "relationIds": [
                  "hall-exit-door",
                  "player-start",
                  "start-hall"
                ],
                "metricFactIds": [
                  "relation:hall-exit-door:attributes.minimumClearanceMm",
                  "relation:player-start:attributes.minimumClearanceMm",
                  "relation:start-hall:attributes.minimumClearanceMm"
                ],
                "solverCapabilities": [
                  "typed-reachability-bfs-v1"
                ],
                "requiredPrecision": "BOUNDED"
              }
            ],
            "missingEvidence": [
              {
                "code": "EDGE_CLEARANCE_MISSING",
                "message": "3 candidate edge(s) lack minimum-clearance evidence.",
                "entityIds": [],
                "relationIds": [
                  "hall-exit-door",
                  "player-start",
                  "start-hall"
                ],
                "metricFactIds": [
                  "relation:hall-exit-door:attributes.minimumClearanceMm",
                  "relation:player-start:attributes.minimumClearanceMm",
                  "relation:start-hall:attributes.minimumClearanceMm"
                ],
                "solverCapabilities": []
              },
              {
                "code": "REQUIRED_METRIC_FACT_NOT_SELECTED",
                "message": "3 required metric fact(s) are absent from the selected context.",
                "entityIds": [],
                "relationIds": [],
                "metricFactIds": [
                  "relation:hall-exit-door:attributes.minimumClearanceMm",
                  "relation:player-start:attributes.minimumClearanceMm",
                  "relation:start-hall:attributes.minimumClearanceMm"
                ],
                "solverCapabilities": []
              }
            ],
            "authorityBoundary": "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged.",
            "id": "sha256:147374aa8320387aef6f1125e4122ab8f62ff3396e7b4aef126d2428376d6293"
          },
          "contextContentId": "sha256:9fe5f59e73c9153986be22e8a536ea709eb81e903299f989fb2feb2dc22a3e4f",
          "contextGraph": {
            "schemaVersion": "sft.scene.v1",
            "id": "game-fixture-context",
            "name": "Deterministic game-state fixture — context",
            "rootEntityId": "world",
            "frames": [
              {
                "id": "world",
                "name": "Fixture world frame",
                "origin": [
                  0,
                  0,
                  0
                ],
                "basis": [
                  [
                    1,
                    0,
                    0
                  ],
                  [
                    0,
                    1,
                    0
                  ],
                  [
                    0,
                    0,
                    1
                  ]
                ],
                "unit": "mm",
                "precision": "EXACT",
                "tolerance": 0
              }
            ],
            "entities": [
              {
                "id": "world",
                "name": "World",
                "kind": "world",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "start-room",
                "name": "Start Room",
                "kind": "space",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "hall",
                "name": "Hall",
                "kind": "space",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "exit",
                "name": "Exit",
                "kind": "space",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "player",
                "name": "Player",
                "kind": "game-actor",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "relations": [
              {
                "id": "contains:world:start-room",
                "kind": "contains",
                "from": "world",
                "to": "start-room",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:world:hall",
                "kind": "contains",
                "from": "world",
                "to": "hall",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:world:exit",
                "kind": "contains",
                "from": "world",
                "to": "exit",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:start-room:player",
                "kind": "contains",
                "from": "start-room",
                "to": "player",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "start-hall",
                "kind": "connected_to",
                "from": "start-room",
                "to": "hall",
                "directed": false,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "hall-exit-door",
                "kind": "opens_into",
                "from": "hall",
                "to": "exit",
                "directed": false,
                "attributes": {
                  "blocked": true,
                  "openingId": "locked-door"
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "player-start",
                "kind": "connected_to",
                "from": "player",
                "to": "start-room",
                "directed": false,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "metadata": {
              "unit": "mm",
              "description": "One-hop graph-neighborhood baseline context",
              "evidenceState": "IMPLEMENTED",
              "tags": [
                "game-state",
                "revisions",
                "multi-agent",
                "context-resolved"
              ]
            }
          },
          "stats": {
            "worldEntityCount": 7,
            "worldRelationCount": 8,
            "contextEntityCount": 5,
            "contextRelationCount": 7,
            "contextFrameCount": 1,
            "serializedBytes": 2497,
            "serializedTokens": 665,
            "tokenizer": "o200k_base@gpt-tokenizer-4.0.0",
            "entityReductionRatio": 0.2857142857142857,
            "relationReductionRatio": 0.125
          },
          "solverResult": {
            "solver": "typed-reachability-bfs-v1",
            "status": "UNKNOWN",
            "precision": "UNKNOWN",
            "summary": "The operation was not executed because required evidence is missing.",
            "result": {
              "missingEvidence": [
                {
                  "code": "EDGE_CLEARANCE_MISSING",
                  "message": "3 candidate edge(s) lack minimum-clearance evidence."
                },
                {
                  "code": "REQUIRED_METRIC_FACT_NOT_SELECTED",
                  "message": "3 required metric fact(s) are absent from the selected context."
                }
              ]
            },
            "trace": [
              {
                "code": "EVIDENCE_GATE",
                "message": "The Context Resolver refused to promote an under-specified operation to a solver conclusion."
              }
            ],
            "warnings": [
              "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged."
            ]
          },
          "validationIssues": [
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity world has semantic state but no metric bounds",
              "entityId": "world"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity start-room has semantic state but no metric bounds",
              "entityId": "start-room"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity hall has semantic state but no metric bounds",
              "entityId": "hall"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity exit has semantic state but no metric bounds",
              "entityId": "exit"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity player has semantic state but no metric bounds",
              "entityId": "player"
            }
          ]
        },
        {
          "strategy": "SFT_OPERATIONAL",
          "sceneRevision": {
            "id": "sha256:a6c6bc1bc03c60a131762be0445272382b681acea77c40f0624c8331d7378a36",
            "contentId": "sha256:e41f727a1e80eede766d997f11c580181e4d42f170ae40efcb3f22bd71f1d7c6",
            "branch": "MAIN"
          },
          "compilation": {
            "status": "COMPILED",
            "source": "[typed command]",
            "normalizedSource": "[typed command]",
            "matchedPattern": "typed-command-input",
            "command": {
              "kind": "QUERY_REACHABILITY",
              "fromId": "player",
              "toId": "exit",
              "minimumClearance": {
                "min": 900,
                "max": 900,
                "unit": "mm"
              }
            },
            "diagnostics": [],
            "candidates": []
          },
          "contract": {
            "schemaVersion": "sft.context-contract.v1",
            "worldContentId": "sha256:e41f727a1e80eede766d997f11c580181e4d42f170ae40efcb3f22bd71f1d7c6",
            "sceneRevisionId": "sha256:a6c6bc1bc03c60a131762be0445272382b681acea77c40f0624c8331d7378a36",
            "sceneRevisionBranch": "MAIN",
            "scenarioId": "game",
            "source": "[typed control] Find a 900 mm-clear path from player to exit",
            "strategy": "SFT_OPERATIONAL",
            "command": {
              "kind": "QUERY_REACHABILITY",
              "fromId": "player",
              "toId": "exit",
              "minimumClearance": {
                "min": 900,
                "max": 900,
                "unit": "mm"
              }
            },
            "solverAuthority": "typed-reachability-bfs-v1",
            "requiredEntityIds": [
              "exit",
              "hall",
              "player",
              "start-room",
              "world"
            ],
            "requiredRelationIds": [
              "contains:start-room:player",
              "contains:world:exit",
              "contains:world:hall",
              "contains:world:start-room",
              "hall-exit-door",
              "player-start",
              "start-hall"
            ],
            "requiredFrameIds": [
              "world"
            ],
            "requiredMetricFacts": [
              {
                "id": "relation:hall-exit-door:attributes.minimumClearanceMm",
                "ownerType": "relation",
                "ownerId": "hall-exit-door",
                "path": "attributes.minimumClearanceMm",
                "precision": "UNKNOWN",
                "sourceId": "sft-runtime-fixture"
              },
              {
                "id": "relation:player-start:attributes.minimumClearanceMm",
                "ownerType": "relation",
                "ownerId": "player-start",
                "path": "attributes.minimumClearanceMm",
                "precision": "UNKNOWN",
                "sourceId": "sft-runtime-fixture"
              },
              {
                "id": "relation:start-hall:attributes.minimumClearanceMm",
                "ownerType": "relation",
                "ownerId": "start-hall",
                "path": "attributes.minimumClearanceMm",
                "precision": "UNKNOWN",
                "sourceId": "sft-runtime-fixture"
              }
            ],
            "requiredSolverCapabilities": [
              "typed-reachability-bfs-v1"
            ],
            "requirements": [
              {
                "code": "ROUTE_GRAPH",
                "description": "Typed route edges must connect the requested endpoints.",
                "entityIds": [
                  "exit",
                  "hall",
                  "player",
                  "start-room"
                ],
                "relationIds": [
                  "hall-exit-door",
                  "player-start",
                  "start-hall"
                ],
                "metricFactIds": [],
                "solverCapabilities": [
                  "typed-reachability-bfs-v1"
                ],
                "requiredPrecision": "SEMANTIC_ONLY"
              },
              {
                "code": "ROUTE_CLEARANCE",
                "description": "Every candidate edge requires authored clearance evidence.",
                "entityIds": [
                  "exit",
                  "hall",
                  "player",
                  "start-room"
                ],
                "relationIds": [
                  "hall-exit-door",
                  "player-start",
                  "start-hall"
                ],
                "metricFactIds": [
                  "relation:hall-exit-door:attributes.minimumClearanceMm",
                  "relation:player-start:attributes.minimumClearanceMm",
                  "relation:start-hall:attributes.minimumClearanceMm"
                ],
                "solverCapabilities": [
                  "typed-reachability-bfs-v1"
                ],
                "requiredPrecision": "BOUNDED"
              }
            ],
            "missingEvidence": [
              {
                "code": "EDGE_CLEARANCE_MISSING",
                "message": "3 candidate edge(s) lack minimum-clearance evidence.",
                "entityIds": [],
                "relationIds": [
                  "hall-exit-door",
                  "player-start",
                  "start-hall"
                ],
                "metricFactIds": [
                  "relation:hall-exit-door:attributes.minimumClearanceMm",
                  "relation:player-start:attributes.minimumClearanceMm",
                  "relation:start-hall:attributes.minimumClearanceMm"
                ],
                "solverCapabilities": []
              },
              {
                "code": "REQUIRED_METRIC_FACT_NOT_SELECTED",
                "message": "3 required metric fact(s) are absent from the selected context.",
                "entityIds": [],
                "relationIds": [],
                "metricFactIds": [
                  "relation:hall-exit-door:attributes.minimumClearanceMm",
                  "relation:player-start:attributes.minimumClearanceMm",
                  "relation:start-hall:attributes.minimumClearanceMm"
                ],
                "solverCapabilities": []
              }
            ],
            "authorityBoundary": "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged.",
            "id": "sha256:abf3f454f144466c06e9dfa073662414001bc301fcf592f45757d23cb9231ee8"
          },
          "contextContentId": "sha256:8dd06b7ab1a8db5b13ab9fe7700ea0dd775ceed5b73c875ea25d084450c16cd1",
          "contextGraph": {
            "schemaVersion": "sft.scene.v1",
            "id": "game-fixture-context",
            "name": "Deterministic game-state fixture — context",
            "rootEntityId": "world",
            "frames": [
              {
                "id": "world",
                "name": "Fixture world frame",
                "origin": [
                  0,
                  0,
                  0
                ],
                "basis": [
                  [
                    1,
                    0,
                    0
                  ],
                  [
                    0,
                    1,
                    0
                  ],
                  [
                    0,
                    0,
                    1
                  ]
                ],
                "unit": "mm",
                "precision": "EXACT",
                "tolerance": 0
              }
            ],
            "entities": [
              {
                "id": "world",
                "name": "World",
                "kind": "world",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "start-room",
                "name": "Start Room",
                "kind": "space",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "hall",
                "name": "Hall",
                "kind": "space",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "exit",
                "name": "Exit",
                "kind": "space",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "player",
                "name": "Player",
                "kind": "game-actor",
                "frameId": "world",
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "relations": [
              {
                "id": "contains:world:start-room",
                "kind": "contains",
                "from": "world",
                "to": "start-room",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:world:hall",
                "kind": "contains",
                "from": "world",
                "to": "hall",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:world:exit",
                "kind": "contains",
                "from": "world",
                "to": "exit",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "contains:start-room:player",
                "kind": "contains",
                "from": "start-room",
                "to": "player",
                "directed": true,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "start-hall",
                "kind": "connected_to",
                "from": "start-room",
                "to": "hall",
                "directed": false,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "hall-exit-door",
                "kind": "opens_into",
                "from": "hall",
                "to": "exit",
                "directed": false,
                "attributes": {
                  "blocked": true,
                  "openingId": "locked-door"
                },
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              },
              {
                "id": "player-start",
                "kind": "connected_to",
                "from": "player",
                "to": "start-room",
                "directed": false,
                "attributes": {},
                "source": {
                  "adapter": "authored",
                  "sourceId": "sft-runtime-fixture"
                }
              }
            ],
            "metadata": {
              "unit": "mm",
              "description": "Operation-directed SFT context",
              "evidenceState": "IMPLEMENTED",
              "tags": [
                "game-state",
                "revisions",
                "multi-agent",
                "context-resolved"
              ]
            }
          },
          "stats": {
            "worldEntityCount": 7,
            "worldRelationCount": 8,
            "contextEntityCount": 5,
            "contextRelationCount": 7,
            "contextFrameCount": 1,
            "serializedBytes": 2484,
            "serializedTokens": 663,
            "tokenizer": "o200k_base@gpt-tokenizer-4.0.0",
            "entityReductionRatio": 0.2857142857142857,
            "relationReductionRatio": 0.125
          },
          "solverResult": {
            "solver": "typed-reachability-bfs-v1",
            "status": "UNKNOWN",
            "precision": "UNKNOWN",
            "summary": "The operation was not executed because required evidence is missing.",
            "result": {
              "missingEvidence": [
                {
                  "code": "EDGE_CLEARANCE_MISSING",
                  "message": "3 candidate edge(s) lack minimum-clearance evidence."
                },
                {
                  "code": "REQUIRED_METRIC_FACT_NOT_SELECTED",
                  "message": "3 required metric fact(s) are absent from the selected context."
                }
              ]
            },
            "trace": [
              {
                "code": "EVIDENCE_GATE",
                "message": "The Context Resolver refused to promote an under-specified operation to a solver conclusion."
              }
            ],
            "warnings": [
              "Language and retrieval may nominate evidence; only the named deterministic authority may promote the requested factual claim, and accepted world state remains unchanged."
            ]
          },
          "validationIssues": [
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity world has semantic state but no metric bounds",
              "entityId": "world"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity start-room has semantic state but no metric bounds",
              "entityId": "start-room"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity hall has semantic state but no metric bounds",
              "entityId": "hall"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity exit has semantic state but no metric bounds",
              "entityId": "exit"
            },
            {
              "severity": "warning",
              "code": "NO_METRIC_BOUNDS",
              "message": "Entity player has semantic state but no metric bounds",
              "entityId": "player"
            }
          ]
        }
      ]
    }
  ],
  "digest": "sha256:ba50165f42f07d92e4176530df7e6c546d6195670e0d52ccc0deec15d8a6fa7f"
}
