fix: 修复任务长期运行中卡住

app/main.py

@@ -19,6 +19,7 @@ from app.services.task_service import (
     has_running_task,
     list_tasks,
     recover_running_tasks,
+    recover_stale_running_tasks,
 )
 from app.templating import templates
 
@@ -83,6 +84,7 @@ def create_task_api(
     request: CreateTaskRequest,
     session: Session = Depends(get_db_session),
 ) -> CreateTaskResponse:
+    recover_stale_running_tasks(session)
     if has_running_task(session):
         raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=RUNNING_TASK_MESSAGE)