{
  "summary": [
    {
      "name": "pbl_agent_trace",
      "comment": "Agent 执行轨迹（第28章 7 要素）",
      "module": "pbl_agent_runtime",
      "engine": "mariadb",
      "charset": "utf8mb4",
      "tenant_scoped": true
    }
  ],
  "fields": [
    {
      "name": "tenant_id",
      "comment": "租户ID(强制打头)",
      "null": false,
      "type": "str",
      "length": 32
    },
    {
      "name": "id",
      "comment": "主键",
      "null": false,
      "type": "int",
      "length": 20,
      "unsigned": true,
      "auto_increment": true
    },
    {
      "name": "trace_uid",
      "comment": "轨迹UID",
      "null": false,
      "type": "str",
      "length": 32
    },
    {
      "name": "agent_code",
      "comment": "Agent",
      "null": false,
      "type": "str",
      "length": 64
    },
    {
      "name": "blueprint_id",
      "comment": "目标蓝图",
      "null": false,
      "type": "bigint"
    },
    {
      "name": "input_ref_json",
      "comment": "要素1 输入引用",
      "null": true,
      "type": "json"
    },
    {
      "name": "thought_txt",
      "comment": "要素2 思考",
      "null": true,
      "type": "text"
    },
    {
      "name": "action_code",
      "comment": "要素3 动作",
      "null": false,
      "type": "str",
      "length": 64
    },
    {
      "name": "action_params_json",
      "comment": "要素4 动作参数",
      "null": true,
      "type": "json"
    },
    {
      "name": "observation_json",
      "comment": "要素5 观察",
      "null": true,
      "type": "json"
    },
    {
      "name": "result_state",
      "comment": "要素6 结果状态",
      "null": false,
      "type": "str",
      "length": 64
    },
    {
      "name": "llm_calls",
      "comment": "要素7 LLM调用数",
      "null": false,
      "type": "int"
    },
    {
      "name": "duration_ms",
      "comment": "耗时",
      "null": false,
      "type": "int"
    },
    {
      "name": "created_by",
      "comment": "触发用户",
      "null": false,
      "type": "str",
      "length": 32
    },
    {
      "name": "created_at",
      "comment": "创建时间",
      "null": false,
      "type": "datetime"
    },
    {
      "name": "updated_at",
      "comment": "更新时间",
      "null": false,
      "type": "datetime"
    }
  ],
  "indexes": [
    {
      "name": "uk_at_uid",
      "unique": true,
      "fields": [
        "tenant_id",
        "trace_uid"
      ]
    },
    {
      "name": "idx_at_tenant",
      "unique": false,
      "fields": [
        "tenant_id",
        "created_at"
      ]
    },
    {
      "name": "PRIMARY",
      "unique": true,
      "fields": [
        "id"
      ]
    }
  ],
  "codes": []
}