Merge remote-tracking branch 'origin/main' into feat/export-service

# Conflicts:
#	backend/app/routes.py

backend/app/main.py

@@ -28,6 +28,8 @@ async def lifespan(_: FastAPI):
     try:
         yield
     finally:
+        from app.services import index_service
+        await index_service.shutdown()
         await transcription_service.shutdown()
         from app.local_models import components
         await components.shutdown()