fix: combine f-strings, align product name in notification titles

Agent-Logs-Url: https://github.com/christianlouis/InboxConverge/sessions/2bcd611e-3598-4b83-95bd-3276a7d5ad7c

Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>

backend/app/services/gmail_service.py

@@ -469,7 +469,7 @@ class GmailService:
             )
             GMAIL_TOKEN_REFRESHES_TOTAL.inc()
             logger.info(
-                "Gmail access token refreshed proactively; " "new expiry: %s",
+                "Gmail access token refreshed proactively; new expiry: %s",
                 self.credentials.expiry,
             )
             return {
@@ -477,10 +477,7 @@ class GmailService:
                 "expiry": self.credentials.expiry,
             }
         except google.auth.exceptions.RefreshError as e:
-            error_msg = (
+            error_msg = f"Gmail refresh token has been revoked or is invalid — the user must re-authorise. Detail: {e}"
-                f"Gmail refresh token has been revoked or is invalid — "
-                f"the user must re-authorise. Detail: {e}"
-            )
             logger.error(error_msg)
             raise GmailAuthError(error_msg)
         except Exception as e:

backend/app/workers/tasks.py

@@ -903,7 +903,7 @@ async def refresh_gmail_tokens():
                             await send_user_notification(
                                 db=notif_db,
                                 user_id=int(cred.user_id),
-                                title="InboxConverge: Gmail Re-authorisation Required",
+                                title="InboxRescue: Gmail Re-authorisation Required",
                                 body=(
                                     "Your Gmail access has been revoked. "
                                     "Please open Settings → Gmail API and click "