修改普通用户的数据类型转换在数据集管理看不见的问题

backend/app/db/platform_store.py

@@ -534,7 +534,7 @@ class PlatformStore:
                 },
             )
             for table in ("models", "datasets", "eval_tasks"):
-                self._ensure_columns(conn, table, {"deleted_at": "TEXT", "deleted_by": "TEXT", "tenant_id": "TEXT", "project_id": "TEXT"})
+                self._ensure_columns(conn, table, {"deleted_at": "TEXT", "deleted_by": "TEXT", "tenant_id": "TEXT", "project_id": "TEXT", "created_by": "TEXT"})
             self._ensure_columns(
                 conn,
                 "resource_replicas",
@@ -557,6 +557,25 @@ class PlatformStore:
                     conn.executescript(extra_path.read_text(encoding="utf-8"))
             # data_convert_tasks 表补充 created_by 字段（用于数据隔离）
             self._ensure_columns(conn, "data_convert_tasks", {"created_by": "TEXT"})
+            # 修复历史数据：将 data_convert_tasks.created_by 回填到关联的 datasets 记录
+            try:
+                conn.execute("""
+                    UPDATE datasets SET created_by = dct.created_by
+                    FROM data_convert_tasks dct
+                    WHERE datasets.task_id = dct.id
+                      AND datasets.source = 'upload'
+                      AND (datasets.created_by IS NULL OR datasets.created_by = '')
+                      AND dct.created_by IS NOT NULL
+                      AND dct.deleted_at IS NULL
+                """)
+            except Exception:
+                pass  # 列不存在时忽略
+            # 清理超过 7 天的操作日志
+            try:
+                cutoff = (datetime.now(timezone.utc) - timedelta(days=7)).isoformat()
+                conn.execute("DELETE FROM operation_logs WHERE create_time < %s", (cutoff,))
+            except Exception:
+                pass  # 表不存在时忽略，下次启动会建表
 
     def _column_names(self, conn: PgConnection, table_name: str) -> set[str]:
         columns = conn.execute(

backend/app/db/sql/002_governance.sql

@@ -74,3 +74,38 @@ CREATE TABLE IF NOT EXISTS retention_policies (
     create_by TEXT,
     updated_at TEXT
 );
+
+-- ===================== 操作日志表 =====================
+-- 记录用户在每个业务模块的详细操作（成功/失败、报错信息等）
+CREATE TABLE IF NOT EXISTS operation_logs (
+    id TEXT PRIMARY KEY,
+    user_id TEXT,               -- 操作用户 ID
+    username TEXT,              -- 操作用户名（冗余，便于查询）
+    module TEXT,                -- 业务模块：fine-tune/model-eval/model-inference/dataset/data-process/data-convert/model-manage
+    action TEXT,                -- 具体动作：create/start/stop/delete/upload/convert 等
+    target_type TEXT,           -- 资源类型
+    target_id TEXT,             -- 资源 ID
+    target_name TEXT,           -- 资源名称（便于阅读）
+    status TEXT NOT NULL,       -- success / failure
+    error_message TEXT,         -- 失败时的报错信息
+    detail TEXT,                -- 操作详情 JSON（参数摘要）
+    client_ip TEXT,             -- 客户端 IP
+    request_method TEXT,        -- HTTP 方法
+    request_path TEXT,          -- 请求路径
+    trace_id TEXT,              -- 链路追踪 ID
+    duration_ms REAL,           -- 耗时(ms)
+    create_time TEXT            -- 操作时间
+);
+
+-- 幂等升级 operation_logs 表：新增字段（已存在则跳过）
+ALTER TABLE operation_logs ADD COLUMN IF NOT EXISTS error_type TEXT;       -- 异常类型：RuntimeError / ValueError / ConnectionError
+ALTER TABLE operation_logs ADD COLUMN IF NOT EXISTS error_traceback TEXT; -- 完整异常堆栈
+ALTER TABLE operation_logs ADD COLUMN IF NOT EXISTS func_name TEXT;       -- 出错的函数名
+
+-- 索引
+CREATE INDEX IF NOT EXISTS idx_op_user_time ON operation_logs(user_id, create_time DESC);
+CREATE INDEX IF NOT EXISTS idx_op_module_time ON operation_logs(module, create_time DESC);
+CREATE INDEX IF NOT EXISTS idx_op_status ON operation_logs(status, create_time DESC);
+CREATE INDEX IF NOT EXISTS idx_op_action ON operation_logs(action);
+CREATE INDEX IF NOT EXISTS idx_op_create_time ON operation_logs(create_time DESC);
+CREATE INDEX IF NOT EXISTS idx_op_error_type ON operation_logs(error_type);