修复普通用户对模型训练的权限操作

backend/app/db/platform_store.py

@@ -570,6 +570,16 @@ class PlatformStore:
                 """)
             except Exception:
                 pass  # 列不存在时忽略
+            # 修复历史数据：为 eval_tasks 表回填 created_by（从 payload JSON 中提取）
+            try:
+                conn.execute("""
+                    UPDATE eval_tasks SET created_by = payload::json->>'created_by'
+                    WHERE (created_by IS NULL OR created_by = '')
+                      AND payload IS NOT NULL
+                      AND payload::json->>'created_by' IS NOT NULL
+                """)
+            except Exception:
+                pass  # 列或语法不支持时忽略
             # 清理超过 7 天的操作日志
             try:
                 cutoff = (datetime.now(timezone.utc) - timedelta(days=7)).isoformat()
@@ -2031,6 +2041,7 @@ class PlatformStore:
             "process_id": None,
             "train_duration": "",
             "create_time": now,
+            "created_by": payload.get("created_by"),
         }
         with self.connect() as conn:
             conn.execute(
@@ -2529,8 +2540,8 @@ class PlatformStore:
             if data.get("metric") == "custom":
                 data["metric"] = data["metric_label"]
             conn.execute(
-                "INSERT INTO eval_tasks (id, name, payload, status, create_time) VALUES (?, ?, ?, ?, ?)",
-                (task_id, name, json_dumps(data), status, now),
+                "INSERT INTO eval_tasks (id, name, payload, status, create_time, created_by) VALUES (?, ?, ?, ?, ?, ?)",
+                (task_id, name, json_dumps(data), status, now, data.get("created_by")),
             )
         return self.eval_task(task_id)