Fix auth race condition on AddFriend page

src/pages/AddFriend.tsx

@@ -12,14 +12,16 @@ import { ArrowLeft, Search, UserPlus, Clock, Check, Loader2 } from 'lucide-react
 export default function AddFriend() {
   const navigate = useNavigate();
   const user = useAuthStore((s) => s.user);
+  const authLoading = useAuthStore((s) => s.isLoading);
   const { searchResults, searchUsers, sendRequest, clearSearch } = useFriendsStore();
   const [query, setQuery] = useState('');
   const [sendingTo, setSendingTo] = useState<string | null>(null);
 
   useEffect(() => {
+    if (authLoading) return;
     if (!user) navigate('/login');
     return () => clearSearch();
-  }, [user, navigate, clearSearch]);
+  }, [user, authLoading, navigate, clearSearch]);
 
   // Debounced search
   useEffect(() => {