{
  "items": [
    {
      "acceptance_claims": [
        {
          "claim_kind": "solid_count_equals",
          "expected": {
            "value": 1
          }
        },
        {
          "claim_kind": "single_connected_body",
          "expected": {}
        },
        {
          "claim_kind": "bbox_dimension_mm",
          "expected": {
            "axis": "x",
            "tolerance_mm": 0.5,
            "value": 120
          }
        },
        {
          "claim_kind": "bbox_dimension_mm",
          "expected": {
            "axis": "y",
            "tolerance_mm": 0.5,
            "value": 80
          }
        },
        {
          "claim_kind": "bbox_dimension_mm",
          "expected": {
            "axis": "z",
            "tolerance_mm": 0.5,
            "value": 68
          }
        },
        {
          "claim_kind": "through_cylindrical_bore",
          "expected": {
            "count": 4,
            "diameter_mm": 10,
            "tolerance_mm": 0.2
          }
        },
        {
          "claim_kind": "circular_hole_pattern",
          "expected": {
            "count": 4,
            "diameter_mm": 10,
            "pitch_radius_mm": 70,
            "tolerance_mm": 0.2
          }
        }
      ],
      "assumptions": [
        "Assume a rectangular base 120 mm by 80 mm by 8 mm thick.",
        "Assume a vertical reinforcing rib centered on the long axis, 60 mm tall, 8 mm thick, and 100 mm long.",
        "Assume four through mounting holes of 10 mm diameter arranged equally on a 70 mm pitch-radius bolt circle.",
        "Assume nominal general tolerances of 0.2 mm unless the model uses tighter local fit tolerances."
      ],
      "draft_id": "draft_001",
      "source_ids": [
        "src_001"
      ],
      "statement": "Create one connected mounting plate in millimetres: a rectangular base with a vertical reinforcing rib and four equally spaced through mounting holes. Use the stated dimensions as implementation assumptions and verify the final part remains a single connected solid with the four-hole pattern."
    }
  ],
  "revision": 1,
  "schema_version": "cad.requirements-draft.v1"
}