{
    "summary": [
        {
            "name": "accounting_records",
            "title": "记账记录",
            "primary": [
                "id"
            ],
            "classification": "business"
        }
    ],
    "fields": [
        {
            "name": "id",
            "type": "str",
            "nullable": false,
            "default": "",
            "comment": "主键",
            "length": 32
        },
        {
            "name": "customer_id",
            "type": "str",
            "nullable": false,
            "default": "",
            "comment": "客户ID",
            "length": 32
        },
        {
            "name": "llmid",
            "type": "str",
            "nullable": true,
            "default": "",
            "comment": "模型ID",
            "length": 32
        },
        {
            "name": "model_name",
            "type": "str",
            "nullable": true,
            "default": "",
            "comment": "模型名称",
            "length": 128
        },
        {
            "name": "pricing_id",
            "type": "str",
            "nullable": true,
            "default": "",
            "comment": "定价ID",
            "length": 32
        },
        {
            "name": "input_tokens",
            "type": "long",
            "nullable": true,
            "default": null,
            "comment": "输入token数"
        },
        {
            "name": "output_tokens",
            "type": "long",
            "nullable": true,
            "default": null,
            "comment": "输出token数"
        },
        {
            "name": "total_tokens",
            "type": "long",
            "nullable": true,
            "default": null,
            "comment": "总token数"
        },
        {
            "name": "quantity",
            "type": "double",
            "nullable": true,
            "default": null,
            "comment": "用量（图片数/分钟数等）",
            "length": 15,
            "dec": 4
        },
        {
            "name": "amount",
            "type": "double",
            "nullable": false,
            "default": 0.0,
            "comment": "金额",
            "length": 15,
            "dec": 6
        },
        {
            "name": "currency",
            "type": "str",
            "nullable": false,
            "default": "CNY",
            "comment": "货币单位",
            "length": 8
        },
        {
            "name": "request_id",
            "type": "str",
            "nullable": true,
            "default": "",
            "comment": "请求ID（幂等键）",
            "length": 64
        },
        {
            "name": "transno",
            "type": "str",
            "nullable": true,
            "default": "",
            "comment": "事务号",
            "length": 64
        },
        {
            "name": "status",
            "type": "str",
            "nullable": false,
            "default": "pending",
            "comment": "状态: pending/accounted/failed",
            "length": 16
        },
        {
            "name": "created_at",
            "type": "datetime",
            "nullable": false,
            "default": "CURRENT_TIMESTAMP",
            "comment": "创建时间"
        },
        {
            "name": "updated_at",
            "type": "datetime",
            "nullable": false,
            "default": "CURRENT_TIMESTAMP",
            "comment": "更新时间"
        }
    ],
    "idxfields": [
        {
            "name": "idx_customer_id",
            "fields": [
                "customer_id"
            ],
            "unique": false
        },
        {
            "name": "idx_llmid",
            "fields": [
                "llmid"
            ],
            "unique": false
        },
        {
            "name": "idx_request_id",
            "fields": [
                "request_id"
            ],
            "unique": true
        },
        {
            "name": "idx_status",
            "fields": [
                "status"
            ],
            "unique": false
        },
        {
            "name": "idx_created_at",
            "fields": [
                "created_at"
            ],
            "unique": false
        }
    ],
    "codes": []
}