{
  "contract_hash": "0cc1d6d015eb503943e6731f03f8eba1516cbeaec90c49f0a98c02f9badfd3ab",
  "requirements": [
    {
      "acceptance_claims": [
        {
          "claim_id": "claim_001",
          "claim_kind": "solid_count_equals",
          "expected": {
            "value": 1
          }
        },
        {
          "claim_id": "claim_002",
          "claim_kind": "bbox_rank_dimension_mm",
          "expected": {
            "rank": "minimum",
            "tolerance_mm": 0.1,
            "value": 10
          }
        },
        {
          "claim_id": "claim_003",
          "claim_kind": "through_cylindrical_bore",
          "expected": {
            "count": 3,
            "diameter_mm": 12,
            "tolerance_mm": 0.1
          }
        },
        {
          "claim_id": "claim_004",
          "claim_kind": "collinear_through_bore_chain",
          "expected": {
            "adjacent_distances_mm": [
              60,
              80
            ],
            "diameter_mm": 12,
            "tolerance_mm": 0.1
          }
        },
        {
          "claim_id": "claim_005",
          "claim_kind": "cylindrical_bore",
          "expected": {
            "count": 3,
            "diameter_mm": 12,
            "tolerance_mm": 0.1
          }
        },
        {
          "claim_id": "claim_006",
          "claim_kind": "outer_cylindrical_surface",
          "expected": {
            "count": 3,
            "diameter_mm": 32,
            "tolerance_mm": 0.1
          }
        },
        {
          "claim_id": "claim_007",
          "claim_kind": "visual",
          "expected": {
            "description": "外轮廓由三个直径32毫米的圆端平滑过渡连接，形成三孔机械连杆外形。"
          }
        }
      ],
      "assumptions": [],
      "draft_id": "draft_001",
      "requirement_id": "req_001",
      "source_ids": [
        "src_001"
      ],
      "statement": "生成一个三孔机械连杆：三个孔中心共线，相邻孔中心距分别为60毫米和80毫米，三个孔直径均为12毫米，零件厚度为10毫米，每个孔周围有直径32毫米的外圆，且外轮廓在各段之间平滑连接。"
    }
  ],
  "schema_version": "cad.requirements-contract.v1",
  "task_id": "cad_b74e9539b3f7"
}