fix: improve maintenance and synchronize live conversations

backend/tests/services/test_channel_status.py

@@ -252,7 +252,7 @@ async def test_receipt_reaches_the_handling_agents_inbox(db, account, test_organ
         organization_id=test_organization.id, channel="whatsapp")
     session.user_id = test_user.id
     db.commit()
-    message = ChatRepository(db).create_message({
+    ChatRepository(db).create_message({
         "message": "Your session is at 5pm", "message_type": "agent",
         "session_id": str(session.session_id), "organization_id": str(test_organization.id),
         "external_message_id": "wamid.1",