Merge branch 'refactor/backend-architecture' into development

api/app/features/tasks/service.py

@@ -0,0 +1,22 @@
+"""
+任务状态服务：对外提供任务状态查询与清理，委托给底层 task_tracker。
+"""
+from typing import Any
+
+from app.core.task_tracker import task_tracker
+
+
+class TasksService:
+    """任务状态门面，供 router 通过 DI 注入使用。"""
+
+    async def check_tasks_status(self, user_id: str) -> dict[str, Any]:
+        return await task_tracker.check_tasks_status(user_id)
+
+    async def get_user_tasks(self, user_id: str) -> list[dict[str, Any]]:
+        return await task_tracker.get_user_tasks(user_id)
+
+    async def get_pending_tasks(self, user_id: str) -> list[dict[str, Any]]:
+        return await task_tracker.get_pending_tasks(user_id)
+
+    async def clear_user_tasks(self, user_id: str) -> bool:
+        return await task_tracker.clear_user_tasks(user_id)