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        "length_tolerance_mm": 1e-05,
        "angular_tolerance": 1e-07,
        "reason": "Locally verified slots only; no whole-part opening count or absence certificate."
      }
    },
    {
      "name": "stepped_capsule",
      "stage": "step_imported",
      "expected_count": 0,
      "recognized_slot_count": 0,
      "passed": true,
      "result": {
        "schema_version": "1.10.0",
        "status": "unresolved",
        "recognized_slot_count": 0,
        "whole_opening_count": null,
        "slots": [],
        "withheld_candidates": [
          {
            "opening_face": 15,
            "opening_edges": [
              29,
              33,
              34,
              36
            ],
            "reason": "Curved outer opening boundary: stepped-slot ambiguity is withheld."
          },
          {
            "wall_faces": [
              7,
              8,
              9,
              10
            ],
            "opening_faces": [
              3
            ],
            "reason": "Two matching inner openings were not found; blind/stepped/trimmed slots abstain."
          },
          {
            "wall_faces": [
              11,
              12,
              13,
              14
            ],
            "opening_faces": [
              5
            ],
            "reason": "Two matching inner openings were not found; blind/stepped/trimmed slots abstain."
          }
        ],
        "scanned_faces": 15,
        "scanned_solids": 1,
        "length_tolerance_mm": 1e-05,
        "angular_tolerance": 1e-07,
        "reason": "Locally verified slots only; no whole-part opening count or absence certificate."
      }
    },
    {
      "name": "stepped_rectangle",
      "stage": "constructed",
      "expected_count": 0,
      "recognized_slot_count": 0,
      "passed": true,
      "result": {
        "schema_version": "1.10.0",
        "status": "unresolved",
        "recognized_slot_count": 0,
        "whole_opening_count": null,
        "slots": [],
        "withheld_candidates": [
          {
            "opening_face": 3,
            "opening_edges": [
              10,
              11,
              12,
              13
            ],
            "reason": "Opening needs two semicircles and two straight sides."
          },
          {
            "opening_face": 15,
            "opening_edges": [
              30,
              33,
              35,
              36
            ],
            "reason": "Opening is surrounded by outward-rising walls: recessed shoulder is withheld."
          },
          {
            "wall_faces": [
              11,
              12,
              13,
              14
            ],
            "opening_faces": [
              5
            ],
            "reason": "Two matching inner openings were not found; blind/stepped/trimmed slots abstain."
          }
        ],
        "scanned_faces": 15,
        "scanned_solids": 1,
        "length_tolerance_mm": 1e-05,
        "angular_tolerance": 1e-07,
        "reason": "Locally verified slots only; no whole-part opening count or absence certificate."
      }
    },
    {
      "name": "stepped_rectangle",
      "stage": "step_imported",
      "expected_count": 0,
      "recognized_slot_count": 0,
      "passed": true,
      "result": {
        "schema_version": "1.10.0",
        "status": "unresolved",
        "recognized_slot_count": 0,
        "whole_opening_count": null,
        "slots": [],
        "withheld_candidates": [
          {
            "opening_face": 3,
            "opening_edges": [
              10,
              11,
              12,
              13
            ],
            "reason": "Opening needs two semicircles and two straight sides."
          },
          {
            "opening_face": 15,
            "opening_edges": [
              29,
              33,
              34,
              36
            ],
            "reason": "Opening is surrounded by outward-rising walls: recessed shoulder is withheld."
          },
          {
            "wall_faces": [
              11,
              12,
              13,
              14
            ],
            "opening_faces": [
              5
            ],
            "reason": "Two matching inner openings were not found; blind/stepped/trimmed slots abstain."
          }
        ],
        "scanned_faces": 15,
        "scanned_solids": 1,
        "length_tolerance_mm": 1e-05,
        "angular_tolerance": 1e-07,
        "reason": "Locally verified slots only; no whole-part opening count or absence certificate."
      }
    },
    {
      "name": "round_hole",
      "stage": "constructed",
      "expected_count": 0,
      "recognized_slot_count": 0,
      "passed": true,
      "result": {
        "schema_version": "1.10.0",
        "status": "unresolved",
        "recognized_slot_count": 0,
        "whole_opening_count": null,
        "slots": [],
        "withheld_candidates": [],
        "scanned_faces": 7,
        "scanned_solids": 1,
        "length_tolerance_mm": 1e-05,
        "angular_tolerance": 1e-07,
        "reason": "Locally verified slots only; no whole-part opening count or absence certificate."
      }
    },
    {
      "name": "round_hole",
      "stage": "step_imported",
      "expected_count": 0,
      "recognized_slot_count": 0,
      "passed": true,
      "result": {
        "schema_version": "1.10.0",
        "status": "unresolved",
        "recognized_slot_count": 0,
        "whole_opening_count": null,
        "slots": [],
        "withheld_candidates": [],
        "scanned_faces": 7,
        "scanned_solids": 1,
        "length_tolerance_mm": 1e-05,
        "angular_tolerance": 1e-07,
        "reason": "Locally verified slots only; no whole-part opening count or absence certificate."
      }
    },
    {
      "name": "boss",
      "stage": "constructed",
      "expected_count": 0,
      "recognized_slot_count": 0,
      "passed": true,
      "result": {
        "schema_version": "1.10.0",
        "status": "unresolved",
        "recognized_slot_count": 0,
        "whole_opening_count": null,
        "slots": [],
        "withheld_candidates": [
          {
            "wall_faces": [
              7,
              8,
              9,
              10
            ],
            "opening_faces": [
              3
            ],
            "reason": "Two matching inner openings were not found; blind/stepped/trimmed slots abstain."
          }
        ],
        "scanned_faces": 11,
        "scanned_solids": 1,
        "length_tolerance_mm": 1e-05,
        "angular_tolerance": 1e-07,
        "reason": "Locally verified slots only; no whole-part opening count or absence certificate."
      }
    },
    {
      "name": "boss",
      "stage": "step_imported",
      "expected_count": 0,
      "recognized_slot_count": 0,
      "passed": true,
      "result": {
        "schema_version": "1.10.0",
        "status": "unresolved",
        "recognized_slot_count": 0,
        "whole_opening_count": null,
        "slots": [],
        "withheld_candidates": [
          {
            "wall_faces": [
              7,
              8,
              9,
              10
            ],
            "opening_faces": [
              3
            ],
            "reason": "Two matching inner openings were not found; blind/stepped/trimmed slots abstain."
          }
        ],
        "scanned_faces": 11,
        "scanned_solids": 1,
        "length_tolerance_mm": 1e-05,
        "angular_tolerance": 1e-07,
        "reason": "Locally verified slots only; no whole-part opening count or absence certificate."
      }
    },
    {
      "name": "interrupted",
      "stage": "constructed",
      "expected_count": 0,
      "recognized_slot_count": 0,
      "passed": true,
      "result": {
        "schema_version": "1.10.0",
        "status": "unresolved",
        "recognized_slot_count": 0,
        "whole_opening_count": null,
        "slots": [],
        "withheld_candidates": [
          {
            "opening_face": 2,
            "opening_edges": [
              1,
              2,
              3,
              4
            ],
            "reason": "Opening needs two semicircles and two straight sides."
          },
          {
            "opening_face": 7,
            "opening_edges": [
              25,
              26,
              27,
              28
            ],
            "reason": "Opening needs two semicircles and two straight sides."
          },
          {
            "opening_face": 9,
            "opening_edges": [
              32,
              33,
              34,
              35
            ],
            "reason": "Opening needs two semicircles and two straight sides."
          },
          {
            "opening_face": 11,
            "opening_edges": [
              37,
              38,
              39,
              40
            ],
            "reason": "Opening needs two semicircles and two straight sides."
          },
          {
            "wall_faces": [
              8,
              9,
              10,
              11
            ],
            "opening_faces": [
              3,
              6
            ],
            "reason": "A wall has splits, holes or extra trimming."
          }
        ],
        "scanned_faces": 16,
        "scanned_solids": 1,
        "length_tolerance_mm": 1e-05,
        "angular_tolerance": 1e-07,
        "reason": "Locally verified slots only; no whole-part opening count or absence certificate."
      }
    },
    {
      "name": "interrupted",
      "stage": "step_imported",
      "expected_count": 0,
      "recognized_slot_count": 0,
      "passed": true,
      "result": {
        "schema_version": "1.10.0",
        "status": "unresolved",
        "recognized_slot_count": 0,
        "whole_opening_count": null,
        "slots": [],
        "withheld_candidates": [
          {
            "opening_face": 2,
            "opening_edges": [
              1,
              2,
              3,
              4
            ],
            "reason": "Opening needs two semicircles and two straight sides."
          },
          {
            "opening_face": 7,
            "opening_edges": [
              25,
              26,
              27,
              28
            ],
            "reason": "Opening needs two semicircles and two straight sides."
          },
          {
            "opening_face": 9,
            "opening_edges": [
              32,
              33,
              34,
              35
            ],
            "reason": "Opening needs two semicircles and two straight sides."
          },
          {
            "opening_face": 11,
            "opening_edges": [
              37,
              38,
              39,
              40
            ],
            "reason": "Opening needs two semicircles and two straight sides."
          },
          {
            "wall_faces": [
              8,
              9,
              10,
              11
            ],
            "opening_faces": [
              3,
              6
            ],
            "reason": "A wall has splits, holes or extra trimming."
          }
        ],
        "scanned_faces": 16,
        "scanned_solids": 1,
        "length_tolerance_mm": 1e-05,
        "angular_tolerance": 1e-07,
        "reason": "Locally verified slots only; no whole-part opening count or absence certificate."
      }
    }
  ]
}