diff --git a/backend/app/api/v1/messages.py b/backend/app/api/v1/messages.py
index 1661341..f2a012f 100644
--- a/backend/app/api/v1/messages.py
+++ b/backend/app/api/v1/messages.py
@@ -422,13 +422,7 @@ async def update_message(
         .options(selectinload(Message.labels))
     )
     message = refreshed.scalar_one()
-    return MessageResponse.model_validate(message)
-
-
-@router.get("/{message_id}/attachments", response_model=list[AttachmentResponse])
-async def list_attachments(
-    message_id: uuid.UUID,
-    current_user: CurrentUser,
+    return MessageResponse.model_validate(messa
     db: DB,
 ) -> list[AttachmentResponse]:
     """Elenca gli allegati di un messaggio."""
diff --git a/backend/app/notifications/__init__.py b/backend/app/notifications/__init__.py
index 089f831..2a45687 100644
--- a/backend/app/notifications/__init__.py
+++ b/backend/app/notifications/__init__.py
@@ -1 +1 @@
-# Modulo notifiche – mittenti multi-canale
+-# Modulo notifiche – mittenti multi-canale
diff --git a/backend/app/services/notification_service.py b/backend/app/services/notification_service.py
index 699f397..cdee678 100644
--- a/backend/app/services/notification_service.py
+++ b/backend/app/services/notification_service.py
@@ -1,4 +1,4 @@
-"""
+is"""
 Servizio Notifiche Multi-canale – CRUD canali, regole, log.
 
 Nota: la cifratura AES-256-GCM di config_enc avviene qui usando