{
  "items": [
    {
      "acceptance_claims": [
        {
          "claim_kind": "solid_count_equals",
          "expected": {
            "value": 1
          }
        },
        {
          "claim_kind": "single_connected_body",
          "expected": {}
        }
      ],
      "assumptions": [
        "Use millimetre units throughout.",
        "Treat the reinforcing rib as integral to the base, not a separate fastened part.",
        "Use reasonable default dimensions consistent with a compact mounting plate."
      ],
      "draft_id": "draft_001",
      "source_ids": [
        "src_001"
      ],
      "statement": "Create one connected mounting plate model in millimetres with a rectangular base and an integral vertical reinforcing rib. Assume a base about 120 mm by 80 mm by 10 mm, with a rib about 80 mm long, 8 mm thick, and 20 mm high, all fused into a single part."
    },
    {
      "acceptance_claims": [
        {
          "claim_kind": "through_cylindrical_bore",
          "expected": {
            "count": 4,
            "diameter_mm": 8,
            "tolerance_mm": 0.2
          }
        },
        {
          "claim_kind": "circular_hole_pattern",
          "expected": {
            "count": 4,
            "diameter_mm": 8,
            "pitch_radius_mm": 70,
            "tolerance_mm": 0.5
          }
        }
      ],
      "assumptions": [
        "Use a centered circular four-hole pattern as the interpretation of equally spaced mounting holes.",
        "Make the holes through all solid material."
      ],
      "draft_id": "draft_002",
      "source_ids": [
        "src_001"
      ],
      "statement": "Add four equally spaced mounting through holes to the plate. Assume the holes are 8 mm diameter and arranged symmetrically on a 70 mm pitch radius so the pattern is centered on the base and remains within the rectangular outline."
    }
  ],
  "revision": 1,
  "schema_version": "cad.requirements-draft.v1"
}