{
  "summary": [
    {
      "name": "pricing_cache",
      "title": "定价数据缓存",
      "primary": "id",
      "classification": "cache"
    }
  ],
  "fields": [
    {
      "name": "id",
      "type": "VARCHAR(32)",
      "nullable": false,
      "default": "",
      "comment": "主键，对应 pricing_program id (ppid)"
    },
    {
      "name": "llmid",
      "type": "VARCHAR(32)",
      "nullable": false,
      "default": "",
      "comment": "关联模型ID"
    },
    {
      "name": "model_name",
      "type": "VARCHAR(128)",
      "nullable": true,
      "default": "",
      "comment": "模型名称"
    },
    {
      "name": "pricing_type",
      "type": "VARCHAR(32)",
      "nullable": false,
      "default": "",
      "comment": "计费类型: token/image/video/audio"
    },
    {
      "name": "input_price",
      "type": "DECIMAL(10,6)",
      "nullable": true,
      "default": null,
      "comment": "输入单价（每千token）"
    },
    {
      "name": "output_price",
      "type": "DECIMAL(10,6)",
      "nullable": true,
      "default": null,
      "comment": "输出单价（每千token）"
    },
    {
      "name": "unit_price",
      "type": "DECIMAL(10,6)",
      "nullable": true,
      "default": null,
      "comment": "统一单价（按次/按图/按分钟等）"
    },
    {
      "name": "currency",
      "type": "VARCHAR(8)",
      "nullable": false,
      "default": "CNY",
      "comment": "货币单位"
    },
    {
      "name": "status",
      "type": "VARCHAR(16)",
      "nullable": false,
      "default": "active",
      "comment": "状态: active/inactive/deprecated"
    },
    {
      "name": "effective_from",
      "type": "DATETIME",
      "nullable": true,
      "default": null,
      "comment": "生效时间"
    },
    {
      "name": "effective_to",
      "type": "DATETIME",
      "nullable": true,
      "default": null,
      "comment": "失效时间"
    },
    {
      "name": "sync_version",
      "type": "VARCHAR(32)",
      "nullable": true,
      "default": "",
      "comment": "同步版本号"
    },
    {
      "name": "cached_at",
      "type": "DATETIME",
      "nullable": false,
      "default": "CURRENT_TIMESTAMP",
      "comment": "缓存写入时间"
    }
  ],
  "idxfields": [
    {
      "name": "idx_llmid",
      "fields": [
        "llmid"
      ],
      "unique": false
    },
    {
      "name": "idx_pricing_type",
      "fields": [
        "pricing_type"
      ],
      "unique": false
    },
    {
      "name": "idx_status",
      "fields": [
        "status"
      ],
      "unique": false
    }
  ],
  "codes": []
}