[
  {
    "id": "correct",
    "label": "正解例",
    "data": {
      "request_id": "REQ-001",
      "quantity": 3,
      "delivery_date": null
    }
  },
  {
    "id": "missing_quantity",
    "label": "誤り例：必須のquantityがない",
    "data": {
      "request_id": "REQ-001",
      "delivery_date": null
    }
  },
  {
    "id": "quantity_as_string",
    "label": "誤り例：quantityが文字列",
    "data": {
      "request_id": "REQ-001",
      "quantity": "3",
      "delivery_date": null
    }
  },
  {
    "id": "invented_delivery_date",
    "label": "誤り例：原文にない納品日",
    "data": {
      "request_id": "REQ-001",
      "quantity": 3,
      "delivery_date": "2026-12-01"
    }
  }
]