{
  "contract_hash": "7d033edd1a2a7261fa3d8d3956cf529c6e40a7bd0f9997ac9ab05f4c0ba37f0a",
  "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": "bbox_dimension_mm",
          "expected": {
            "axis": "z",
            "tolerance_mm": 0.1,
            "value": 10
          }
        },
        {
          "claim_id": "claim_006",
          "claim_kind": "bbox_rank_dimension_mm",
          "expected": {
            "rank": "minimum",
            "tolerance_mm": 0.1,
            "value": 10
          }
        },
        {
          "claim_id": "claim_007",
          "claim_kind": "visual",
          "expected": {
            "description": "外轮廓包含三个直径32毫米的孔周围外圆特征，并在相邻外圆段之间平滑连续连接形成连杆轮廓。"
          }
        }
      ],
      "assumptions": [
        "厚度10毫米沿零件的z方向测量。"
      ],
      "draft_id": "draft_001",
      "requirement_id": "req_001",
      "source_ids": [
        "src_001"
      ],
      "statement": "生成一个三孔机械连杆，整体为单一连通实体，包含3个直通圆孔，三个孔中心共线，相邻孔中心距依次为60毫米和80毫米，孔径均为12毫米，零件厚度为10毫米，并且外轮廓由围绕各孔的32毫米外圆段平滑连接形成。"
    }
  ],
  "schema_version": "cad.requirements-contract.v1",
  "task_id": "cad_6e2b8241d5ef"
}