{
  "method": "Browser-local 3MF repair replayed in Vitest/JSDOM; exact saved bytes reopened through the existing resolver. Not receiving-slicer, production-endpoint or physical-print evidence.",
  "observedDate": "2026-10-25",
  "sourceRevision": "8a0e17c1cf1293e8d2045148bdfa34072fe0b0c6",
  "sourceState": "Working tree with diagnosis/trust copy and UI edits; repair and resolver implementation unchanged from this revision.",
  "repairImplementationSha256": "720a7155a0b9edfe0639eb0ca2c5946e46a0e87feec90fef24c4016527a6b5c0",
  "reproduction": "npm run test:seo-recovery",
  "limitations": "Removal-plan edge keys are source indexes across the model part and skip duplicate/degenerate/invalid-index records; they are not the server topology method. Reopen assignments/settings in the receiving application.",
  "controls": {
    "fixture": "/examples/cad-export/duplicate-face-cube.3mf",
    "sourceSha256": "d246c124d89f5e5ab2c63fd01c3b7f311d00f6ee16ccc427525e46c0e887b61a",
    "savedFile": "/examples/quality-evidence/duplicate-cleaned.3mf",
    "savedSha256": "b277d408179087152038050c94b6d060d66b3a3fe7c7b135dbff096dcdcea537",
    "settings": {
      "removeDuplicateTriangles": true,
      "removeDegenerateTriangles": false,
      "removeInvalidIndexTriangles": false
    },
    "sourceCounts": {
      "triangles": 13,
      "degenerateTriangles": 0,
      "duplicateTriangles": 1,
      "invalidIndexTriangles": 0,
      "openEdges": 0,
      "nonManifoldEdges": 0,
      "inconsistentWindingEdges": 0
    },
    "reopenedCounts": {
      "triangles": 12,
      "degenerateTriangles": 0,
      "duplicateTriangles": 0,
      "invalidIndexTriangles": 0,
      "openEdges": 0,
      "nonManifoldEdges": 0,
      "inconsistentWindingEdges": 0
    },
    "applied": {
      "degenerateTriangles": 0,
      "duplicateTriangles": 1,
      "invalidIndexTriangles": 0
    },
    "declaredUnit": "millimeter",
    "buildItemsBefore": 1,
    "buildItemsAfter": 1,
    "unchangedCoordinates": true,
    "unchangedNonTriangleXml": true,
    "unchangedUnrelatedPayloads": true,
    "repeatedResourceControl": {
      "buildItems": 2,
      "resourceDuplicateRemovals": 1,
      "unchangedCoordinatesAndBuildXml": true
    }
  }
}