feat(backend): 清空数据功能增加 Redis 支持

- 在清除所有数据操作中增加 Redis 数据清空步骤
- 新增 RedisManager.clear_all_data 方法实现 Redis 数据清空
- 优化清除数据后的消息提示，区分数据库和 Redis 清空情况
- 移除不必要的日志信息，简化代码

backend/app/api/v1/tasks.py

@@ -249,12 +249,25 @@ async def clear_all_data(
         # 提交事务
         await db.commit()
 
+        # 清空Redis数据
+        redis_deleted = 0
+        try:
+            redis_deleted = await redis_manager.clear_all_data()
+            logger.info("Redis数据清空完成")
+        except Exception as redis_error:
+            logger.error(f"清空Redis数据失败: {redis_error}")
+            # Redis清空失败不影响数据库操作的提交
+
         total_deleted = sum(deleted_tables.values())
-        message = (
-            f"成功删除 {total_deleted} 条数据记录"
-            if total_deleted > 0
-            else "数据库已为空，无需删除"
-        )
+
+        if total_deleted > 0 and redis_deleted > 0:
+            message = f"成功删除数据库 {total_deleted} 条记录，清空 Redis {redis_deleted} 个键"
+        elif total_deleted > 0:
+            message = f"成功删除数据库 {total_deleted} 条记录，Redis 无需清空"
+        elif redis_deleted > 0:
+            message = f"数据库已为空，成功清空 Redis {redis_deleted} 个键"
+        else:
+            message = "数据库和Redis均为空，无需删除"
 
         return DeleteAllDataResponse(
             success=True,

backend/app/api/v1/user_data.py

@@ -134,7 +134,6 @@ async def get_user_data_list(
             country=country,
             name_pattern=name_pattern,
         )
-        logger.info(f"获取用户数据列表成功: page={page}, size={size}")
         return result
     except Exception as e:
         logger.error(f"获取用户数据列表失败: {str(e)}", exc_info=True)

backend/app/core/redis_manager.py

@@ -345,6 +345,29 @@ class RedisManager:
             logger.error(f"获取user_data_id失败: {e}")
             return None
 
+    async def clear_all_data(self) -> int:
+        """清空所有Redis数据"""
+        try:
+            redis_client = await self.get_redis()
+
+            # 获取所有键
+            all_keys = await redis_client.keys("*")
+            total_keys = len(all_keys)
+
+            if total_keys == 0:
+                logger.info("Redis已为空，无需清空")
+                return 0
+
+            # 删除所有键
+            deleted_count = await redis_client.delete(*all_keys)
+
+            logger.info(f"已清空Redis数据: 删除 {deleted_count} 个键")
+            return deleted_count
+
+        except Exception as e:
+            logger.error(f"清空Redis数据失败: {e}")
+            raise
+
 
 # 创建全局单例实例
 redis_manager = RedisManager()

backend/app/services/task_service.py

@@ -92,7 +92,6 @@ class TaskService:
 
                 task_list.append(task_item)
 
-            logger.info(f"获取任务列表成功，共{len(task_list)}个任务")
             return TaskListResponse(
                 success=True,
                 tasks=task_list,