mobile update

frontend/src/pages/Login.tsx

@@ -26,8 +26,14 @@ export default function Login() {
         const url = Array.isArray(urls) ? urls[0] : urls;
         if (!url.startsWith(DEEP_LINK_SCHEME)) return;
 
-        const token = new URL(url).searchParams.get('token');
-        if (!token) return;
+        let token: string | null;
+        try {
+          token = new URL(url).searchParams.get('token');
+        } catch {
+          setError(t('login.error'));
+          return;
+        }
+        if (!token) { setError(t('login.error')); return; }
 
         try {
           setLoading(true);
@@ -35,7 +41,7 @@ export default function Login() {
           const me = await authApi.me();
           setUser(me.data);
         } catch {
-          setError(t('login.authError'));
+          setError(t('login.error'));
           setLoading(false);
         }
       });