{
  "contract_hash": "25fb44b1a157649b1e3a949028c0d39411e1135df4dbc7e223f00c88473f308f",
  "requirements": [
    {
      "acceptance_claims": [
        {
          "claim_id": "claim_001",
          "claim_kind": "bbox_dimension_mm",
          "expected": {
            "axis": "x",
            "tolerance_mm": 0.1,
            "value": 120
          }
        },
        {
          "claim_id": "claim_002",
          "claim_kind": "bbox_dimension_mm",
          "expected": {
            "axis": "y",
            "tolerance_mm": 0.1,
            "value": 120
          }
        },
        {
          "claim_id": "claim_003",
          "claim_kind": "bbox_dimension_mm",
          "expected": {
            "axis": "z",
            "tolerance_mm": 0.1,
            "value": 12
          }
        },
        {
          "claim_id": "claim_004",
          "claim_kind": "through_cylindrical_bore",
          "expected": {
            "count": 1,
            "diameter_mm": 40,
            "tolerance_mm": 0.1
          }
        },
        {
          "claim_id": "claim_005",
          "claim_kind": "circular_hole_pattern",
          "expected": {
            "count": 6,
            "diameter_mm": 8,
            "pitch_radius_mm": 45,
            "tolerance_mm": 0.1
          }
        }
      ],
      "assumptions": [
        "法兰盘轴线垂直于厚度方向，孔阵列位于端面并绕中心轴均布。"
      ],
      "draft_id": "draft_001",
      "requirement_id": "req_001",
      "source_ids": [
        "src_001"
      ],
      "statement": "生成一个圆形法兰盘，外径120毫米，厚度12毫米，中心有直径40毫米的贯穿孔，且在直径90毫米的分度圆上均布6个直径8毫米的贯穿孔。"
    }
  ],
  "schema_version": "cad.requirements-contract.v1",
  "task_id": "cad_deea1c61fb91"
}