added more pomidoro

backend/app/main.py

@@ -1,4 +1,5 @@
-from contextlib import asynccontextmanager
+import asyncio
+from contextlib import asynccontextmanager, suppress
 
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
@@ -6,12 +7,17 @@ from fastapi.middleware.cors import CORSMiddleware
 from app.api.routes import api_router
 from app.config import get_settings
 from app.db.base import init_db
+from app.pomodoro.watcher import pomodoro_watcher_loop
 
 
 @asynccontextmanager
 async def lifespan(_: FastAPI):
     init_db()
+    watcher_task = asyncio.create_task(pomodoro_watcher_loop())
     yield
+    watcher_task.cancel()
+    with suppress(asyncio.CancelledError):
+        await watcher_task
 
 
 def create_app() -> FastAPI: