{
  "contract_hash": "b1ea5e61efc064134c40ee866dacfbe023f36304c7cbc160963139cf357f0831",
  "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": "bbox_dimension_mm",
          "expected": {
            "axis": "x",
            "tolerance_mm": 0.1,
            "value": 100
          }
        },
        {
          "claim_id": "claim_004",
          "claim_kind": "bbox_dimension_mm",
          "expected": {
            "axis": "y",
            "tolerance_mm": 0.1,
            "value": 100
          }
        },
        {
          "claim_id": "claim_005",
          "claim_kind": "bbox_dimension_mm",
          "expected": {
            "axis": "z",
            "tolerance_mm": 0.1,
            "value": 12
          }
        },
        {
          "claim_id": "claim_006",
          "claim_kind": "through_cylindrical_bore",
          "expected": {
            "count": 1,
            "diameter_mm": 45,
            "tolerance_mm": 0.1
          }
        },
        {
          "claim_id": "claim_007",
          "claim_kind": "through_cylindrical_bore",
          "expected": {
            "count": 4,
            "diameter_mm": 10,
            "tolerance_mm": 0.1
          }
        },
        {
          "claim_id": "claim_008",
          "claim_kind": "rectangular_corner_through_bore_pattern",
          "expected": {
            "count": 4,
            "diameter_mm": 10,
            "edge_offset_mm": 15,
            "tolerance_mm": 0.1
          }
        },
        {
          "claim_id": "claim_009",
          "claim_kind": "visual",
          "expected": {
            "description": "外轮廓四角为R8圆角的方形安装法兰"
          }
        }
      ],
      "assumptions": [
        "四角安装孔按方板四角对称布置，孔中心到相邻两边的距离均为15 mm。",
        "R8外圆角作为外形特征描述处理。"
      ],
      "draft_id": "draft_001",
      "requirement_id": "req_001",
      "source_ids": [
        "src_001"
      ],
      "statement": "生成一个方形安装法兰：外形为100 mm x 100 mm x 12 mm 的单一连通实体，中心有1个直径45 mm的贯穿孔，四角各有1个直径10 mm的安装贯穿孔，孔中心距相邻两边均为15 mm，外轮廓四角为R8圆角。"
    }
  ],
  "schema_version": "cad.requirements-contract.v1",
  "task_id": "cad_f620e5de7132"
}