[
  {
    "doc_no": "DOC-001",
    "field_key_id": "biz_reg_no",
    "field_label": "사업자등록번호",
    "expected_value": "123-45-67890",
    "source_system": "계약대장"
  },
  {
    "doc_no": "DOC-001",
    "field_key_id": "contract_amount",
    "field_label": "계약금액",
    "expected_value": "45000000",
    "source_system": "계약대장"
  },
  {
    "doc_no": "DOC-001",
    "field_key_id": "contract_date",
    "field_label": "계약일자",
    "expected_value": "2026-03-14",
    "source_system": "계약대장"
  },
  {
    "doc_no": "DOC-002",
    "field_key_id": "biz_reg_no",
    "field_label": "사업자등록번호",
    "expected_value": "222-33-44444",
    "source_system": "계약대장"
  },
  {
    "doc_no": "DOC-002",
    "field_key_id": "contract_amount",
    "field_label": "계약금액",
    "expected_value": "12500000",
    "source_system": "계약대장"
  },
  {
    "doc_no": "DOC-002",
    "field_key_id": "contract_date",
    "field_label": "계약일자",
    "expected_value": "2026-03-20",
    "source_system": "계약대장"
  },
  {
    "doc_no": "DOC-003",
    "field_key_id": "biz_reg_no",
    "field_label": "사업자등록번호",
    "expected_value": "555-66-77777",
    "source_system": "계약대장"
  },
  {
    "doc_no": "DOC-003",
    "field_key_id": "contract_amount",
    "field_label": "계약금액",
    "expected_value": null,
    "source_system": "계약대장"
  },
  {
    "doc_no": "DOC-004",
    "field_key_id": "biz_reg_no",
    "field_label": "사업자등록번호",
    "expected_value": "999-88-77666",
    "source_system": "재정시스템"
  },
  {
    "doc_no": "DOC-004",
    "field_key_id": "contract_amount",
    "field_label": "계약금액",
    "expected_value": "3300000",
    "source_system": "재정시스템"
  },
  {
    "doc_no": "DOC-004",
    "field_key_id": "contract_date",
    "field_label": "계약일자",
    "expected_value": "2026-04-02",
    "source_system": "재정시스템"
  },
  {
    "doc_no": "DOC-005",
    "field_key_id": "biz_reg_no",
    "field_label": "사업자등록번호",
    "expected_value": "111-22-33333",
    "source_system": "재정시스템"
  },
  {
    "doc_no": "DOC-005",
    "field_key_id": "contract_amount",
    "field_label": "계약금액",
    "expected_value": "27500000",
    "source_system": "재정시스템"
  },
  {
    "doc_no": "DOC-006",
    "field_key_id": "biz_reg_no",
    "field_label": "사업자등록번호",
    "expected_value": "444-55-66777",
    "source_system": "재정시스템"
  },
  {
    "doc_no": "DOC-006",
    "field_key_id": "contract_amount",
    "field_label": "계약금액",
    "expected_value": "6100000",
    "source_system": "재정시스템"
  }
]