{
  "source": "053290.solidworks_evidence_v2.json",
  "part_id": "053290",
  "source_status": "complete",
  "source_self_validation": {
    "schema": "solidworks.cad_evidence.self_validation.v1",
    "passed": true,
    "meaning": "complete reusable extraction; not a claim of backend feature support or 1:1 rebuild",
    "counts": {
      "features": 20,
      "typed_body_features": 2,
      "direct_semantic_features": 1,
      "typed_features_requiring_history": 1,
      "complete_history_features": 1,
      "spline_segments": 0,
      "incomplete_splines": 0,
      "exact_bcurves": 0,
      "incomplete_bcurves": 0,
      "exact_bsurfaces": 0,
      "incomplete_bsurfaces": 0,
      "exact_trimmed_faces": 0,
      "incomplete_trimmed_faces": 0,
      "missing_exact_geometry_catalog_references": 0,
      "incomplete_topology_records": 0,
      "skipped_getter_signatures": 7
    },
    "feature_contracts": [
      {
        "feature": "凸台-拉伸1",
        "family": "extrude",
        "passed": true,
        "blockers": []
      },
      {
        "feature": "圆角1",
        "family": "fillet",
        "passed": true,
        "blockers": []
      }
    ],
    "blockers": []
  },
  "step_inference": {
    "available": true,
    "face_count": 27,
    "surface_counts": {
      "cylinder": 11,
      "plane": 4,
      "sphere": 8,
      "torus": 4
    },
    "axis_count": 11,
    "repeat_spacings_mm": [
      {
        "spacing_mm": 12.3,
        "pair_count": 4
      },
      {
        "spacing_mm": 11.7,
        "pair_count": 4
      },
      {
        "spacing_mm": 12.2378,
        "pair_count": 2
      },
      {
        "spacing_mm": 3.8191,
        "pair_count": 2
      },
      {
        "spacing_mm": 18.0724,
        "pair_count": 2
      },
      {
        "spacing_mm": 18.1146,
        "pair_count": 2
      },
      {
        "spacing_mm": 0.6001,
        "pair_count": 2
      },
      {
        "spacing_mm": 0.2828,
        "pair_count": 2
      },
      {
        "spacing_mm": 13.3015,
        "pair_count": 2
      },
      {
        "spacing_mm": 0.3939,
        "pair_count": 2
      },
      {
        "spacing_mm": 13.1,
        "pair_count": 2
      },
      {
        "spacing_mm": 13.1059,
        "pair_count": 2
      }
    ],
    "metrics": {
      "bounding_box_mm": [
        -0.0,
        -0.0,
        -12.498373876,
        4.218353072,
        13.5,
        -10.861201262
      ],
      "volume_mm3": 55.917875682,
      "surface_area_mm2": 142.014326615,
      "solid_count": 1,
      "face_count": 27,
      "edge_count": 51,
      "vertex_count": 26
    },
    "error": null,
    "truth_comparison": {
      "expected_from_evidence": {
        "bounding_box_mm": [
          0.0,
          0.0,
          -12.498373876,
          4.218353072,
          13.5,
          -10.861201262
        ],
        "volume_mm3": 55.917842255,
        "surface_area_mm2": 142.014331644,
        "solid_count": 1,
        "face_count": 26,
        "edge_count": 48,
        "vertex_count": 24
      },
      "comparisons": {
        "volume_mm3": {
          "expected": 55.917842255,
          "actual": 55.917875682,
          "absolute_delta": 3.342700000530385e-05,
          "within_tolerance": true
        },
        "surface_area_mm2": {
          "expected": 142.014331644,
          "actual": 142.014326615,
          "absolute_delta": 5.029000021750107e-06,
          "within_tolerance": true
        },
        "bounding_box_mm": {
          "expected": [
            0.0,
            0.0,
            -12.498373876,
            4.218353072,
            13.5,
            -10.861201262
          ],
          "actual": [
            -0.0,
            -0.0,
            -12.498373876,
            4.218353072,
            13.5,
            -10.861201262
          ],
          "max_absolute_delta": 0.0,
          "within_tolerance": true
        },
        "solid_count": {
          "expected": 1,
          "actual": 1,
          "matches": true
        },
        "face_count": {
          "expected": 26,
          "actual": 27,
          "matches": false
        },
        "edge_count": {
          "expected": 48,
          "actual": 51,
          "matches": false
        },
        "vertex_count": {
          "expected": 24,
          "actual": 26,
          "matches": false
        }
      },
      "numeric_geometry_match": true,
      "topology_counts_match": false
    }
  },
  "features": [
    {
      "feature_id": "f_001",
      "source_name": "前视基准面",
      "atomic_id": "reference_plane",
      "execution_status": "deferred",
      "unresolved": [],
      "step_inferred_selector_count": 0
    },
    {
      "feature_id": "f_002",
      "source_name": "上视基准面",
      "atomic_id": "reference_plane",
      "execution_status": "deferred",
      "unresolved": [],
      "step_inferred_selector_count": 0
    },
    {
      "feature_id": "f_003",
      "source_name": "右视基准面",
      "atomic_id": "reference_plane",
      "execution_status": "deferred",
      "unresolved": [],
      "step_inferred_selector_count": 0
    },
    {
      "feature_id": "f_004",
      "source_name": "凸台-拉伸1",
      "atomic_id": "extrude_add_blind",
      "execution_status": "deferred",
      "unresolved": [],
      "step_inferred_selector_count": 0
    },
    {
      "feature_id": "f_005",
      "source_name": "圆角1",
      "atomic_id": "fillet",
      "execution_status": "deferred",
      "unresolved": [],
      "step_inferred_selector_count": 0
    }
  ],
  "semantic_validation": {
    "schema_version": "1.1.0",
    "feature_count": 5,
    "sketch_count": 2,
    "deferred_feature_ids": [
      "f_001",
      "f_002",
      "f_003",
      "f_004",
      "f_005"
    ],
    "unresolved": [],
    "future_rebuild_ready": true
  }
}