{
    "summary": [
        {
            "name": "rag_usage_logs",
            "title": "用量日志",
            "primary": [
                "id"
            ]
        }
    ],
    "fields": [
        {
            "name": "id",
            "title": "ID",
            "type": "str",
            "length": 32,
            "nullable": "no"
        },
        {
            "name": "org_id",
            "title": "机构ID",
            "type": "str",
            "length": 32,
            "nullable": "yes"
        },
        {
            "name": "kb_id",
            "title": "知识库ID",
            "type": "str",
            "length": 32,
            "nullable": "yes"
        },
        {
            "name": "operation",
            "title": "操作类型",
            "type": "str",
            "length": 32,
            "nullable": "yes"
        },
        {
            "name": "bytes_delta",
            "title": "磁盘变化(字节)",
            "type": "int",
            "nullable": "yes"
        },
        {
            "name": "bytes_total",
            "title": "累计磁盘",
            "type": "int",
            "nullable": "yes"
        },
        {
            "name": "api_calls",
            "title": "API调用数",
            "type": "int",
            "nullable": "yes",
            "default": "1"
        },
        {
            "name": "engine_type",
            "title": "引擎类型",
            "type": "str",
            "length": 32,
            "nullable": "yes"
        },
        {
            "name": "tokens_used",
            "title": "Token消耗",
            "type": "int",
            "nullable": "yes"
        },
        {
            "name": "cost_estimate",
            "title": "预估费用",
            "type": "double",
            "length": 20,
            "dec": 4,
            "nullable": "yes"
        },
        {
            "name": "detail",
            "title": "详情JSON",
            "type": "text",
            "nullable": "yes"
        },
        {
            "name": "created_at",
            "title": "创建时间",
            "type": "datetime",
            "nullable": "yes"
        }
    ],
    "indexes": [
        {
            "name": "idx_usage_org",
            "idxtype": "index",
            "idxfields": [
                "org_id",
                "created_at"
            ]
        },
        {
            "name": "idx_usage_kb",
            "idxtype": "index",
            "idxfields": [
                "kb_id"
            ]
        }
    ]
}