Restore commented-out code

Author: roryabraham

src/libs/Reauthentication.ts

@@ -140,10 +140,9 @@ function reauthenticate(command = ''): Promise<boolean> {
         // Prevent reauthentication if credentials are missing (e.g. after sign out)
         if (!credentials?.autoGeneratedLogin || !credentials?.autoGeneratedPassword) {
             Log.info('[Reauthenticate] No credentials available, redirecting to sign in');
-            // The following lines are commented out to test if it's the cause of #fireroom-2026-01-28-user-signout
-            // setIsAuthenticating(false);
-            // redirectToSignIn('No credentials available');
-            // return false;
+            setIsAuthenticating(false);
+            redirectToSignIn('No credentials available');
+            return false;
         }
 
         Log.info(`[Reauthenticate] Re-authenticating with ${shouldUseNewPartnerName ? 'new' : 'old'} partner name`);