{
  "contract_hash": "ce8a087b24e77da7b34c6492028e4c26473d9544271f7aa978944dae4858a09c",
  "requirements": [
    {
      "acceptance_claims": [
        {
          "claim_id": "claim_001",
          "claim_kind": "solid_count_equals",
          "expected": {
            "value": 1
          }
        },
        {
          "claim_id": "claim_002",
          "claim_kind": "single_connected_body",
          "expected": {}
        },
        {
          "claim_id": "claim_003",
          "claim_kind": "collinear_through_bore_chain",
          "expected": {
            "adjacent_distances_mm": [
              60,
              80
            ],
            "diameter_mm": 12,
            "tolerance_mm": 0.1
          }
        },
        {
          "claim_id": "claim_004",
          "claim_kind": "through_cylindrical_bore",
          "expected": {
            "count": 3,
            "diameter_mm": 12,
            "tolerance_mm": 0.1
          }
        },
        {
          "claim_id": "claim_005",
          "claim_kind": "outer_cylindrical_surface",
          "expected": {
            "count": 3,
            "diameter_mm": 32,
            "tolerance_mm": 0.1
          }
        },
        {
          "claim_id": "claim_006",
          "claim_kind": "bbox_dimension_mm",
          "expected": {
            "axis": "z",
            "tolerance_mm": 0.1,
            "value": 10
          }
        },
        {
          "claim_id": "claim_007",
          "claim_kind": "bbox_rank_dimension_mm",
          "expected": {
            "rank": "minimum",
            "tolerance_mm": 0.1,
            "value": 10
          }
        },
        {
          "claim_id": "claim_008",
          "claim_kind": "visual",
          "expected": {
            "description": "三个孔周围的外轮廓应平滑连接，形成连续过渡的机械连杆外形。"
          }
        }
      ],
      "assumptions": [
        "三孔沿同一直线排列，且三个孔均为贯穿孔。"
      ],
      "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，连杆厚度10毫米，每个孔周围外圆直径32毫米，外轮廓为平滑连续的一体结构。"
    }
  ],
  "schema_version": "cad.requirements-contract.v1",
  "task_id": "cad_b2e4f74e7b01"
}