{
  "type": "object",
  "properties": {
    "name": {
      "type": "string",
      "description": "用简洁中文概括这张账单，例如“北京急救中心救护车发票”或“Amazon 广告费账单”。"
    },
    "description": {
      "type": "string",
      "description": "交易或账单的简短描述。"
    },
    "merchant": {
      "type": "string",
      "description": "商户、开票单位、收款单位、付款单位或平台名称，保留原始语言。"
    },
    "issuedAt": {
      "type": "string",
      "description": "账单、发票、就诊、交易或扣款日期，格式 YYYY-MM-DD。"
    },
    "projectCode": {
      "type": "string",
      "description": "项目 code，只能从这些项目中选择：{projects.code}"
    },
    "categoryCode": {
      "type": "string",
      "description": "分类 code，只能从这些分类中选择：{categories.code}"
    },
    "total": {
      "type": "number",
      "description": "账单总金额，单位为原币，不要乘以 100。"
    },
    "currencyCode": {
      "type": "string",
      "description": "币种 ISO 4217 三位代码，例如 CNY、USD、EUR、GBP、JPY、HKD。"
    },
    "convertedTotal": {
      "type": "number",
      "description": "通常留空，由系统按账单日期自动换算。"
    },
    "convertedCurrencyCode": {
      "type": "string",
      "description": "通常留空，由系统按默认币种自动填写。"
    },
    "type": {
      "type": "string",
      "description": "支出填 expense，收入填 income。"
    },
    "note": {
      "type": "string",
      "description": "可记录票据号、流水号、订单号、平台订单号、医保支付信息、其他金额明细等。"
    },
    "vat_rate": {
      "type": "number",
      "description": "税率，0-100 之间的数字；没有则留空。"
    },
    "vat": {
      "type": "number",
      "description": "税额；没有则留空。"
    },
    "text": {
      "type": "string",
      "description": "从票据中识别出的关键原文摘要。"
    },
    "items": {
      "type": "array",
      "description": "Separate items, products or transactions in the file which have own name and price or sum. Find all items!",
      "items": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string",
            "description": "用简洁中文概括这张账单，例如“北京急救中心救护车发票”或“Amazon 广告费账单”。"
          },
          "description": {
            "type": "string",
            "description": "交易或账单的简短描述。"
          },
          "merchant": {
            "type": "string",
            "description": "商户、开票单位、收款单位、付款单位或平台名称，保留原始语言。"
          },
          "issuedAt": {
            "type": "string",
            "description": "账单、发票、就诊、交易或扣款日期，格式 YYYY-MM-DD。"
          },
          "projectCode": {
            "type": "string",
            "description": "项目 code，只能从这些项目中选择：{projects.code}"
          },
          "categoryCode": {
            "type": "string",
            "description": "分类 code，只能从这些分类中选择：{categories.code}"
          },
          "total": {
            "type": "number",
            "description": "账单总金额，单位为原币，不要乘以 100。"
          },
          "currencyCode": {
            "type": "string",
            "description": "币种 ISO 4217 三位代码，例如 CNY、USD、EUR、GBP、JPY、HKD。"
          },
          "convertedTotal": {
            "type": "number",
            "description": "通常留空，由系统按账单日期自动换算。"
          },
          "convertedCurrencyCode": {
            "type": "string",
            "description": "通常留空，由系统按默认币种自动填写。"
          },
          "type": {
            "type": "string",
            "description": "支出填 expense，收入填 income。"
          },
          "note": {
            "type": "string",
            "description": "可记录票据号、流水号、订单号、平台订单号、医保支付信息、其他金额明细等。"
          },
          "vat_rate": {
            "type": "number",
            "description": "税率，0-100 之间的数字；没有则留空。"
          },
          "vat": {
            "type": "number",
            "description": "税额；没有则留空。"
          },
          "text": {
            "type": "string",
            "description": "从票据中识别出的关键原文摘要。"
          }
        },
        "required": [
          "name",
          "description",
          "merchant",
          "issuedAt",
          "projectCode",
          "categoryCode",
          "total",
          "currencyCode",
          "convertedTotal",
          "convertedCurrencyCode",
          "type",
          "note",
          "vat_rate",
          "vat",
          "text"
        ],
        "additionalProperties": false
      }
    }
  },
  "required": [
    "name",
    "description",
    "merchant",
    "issuedAt",
    "projectCode",
    "categoryCode",
    "total",
    "currencyCode",
    "convertedTotal",
    "convertedCurrencyCode",
    "type",
    "note",
    "vat_rate",
    "vat",
    "text",
    "items"
  ],
  "additionalProperties": false
}