fix: make redirect language-aware in Auth.vue

src/pages/Auth.vue

@@ -307,7 +307,10 @@ async function handleGoogleResponse(response: any) {
     localStorage.setItem("token", res.access_token);
     await authStore.refreshUser();
     toast.success(t("auth.toasts.welcomeBack"));
-    router.push("/");
+    
+    // Redirect with language prefix
+    const lang = i18n.global.locale.value;
+    router.push(`/${lang}/`);
   } catch (err: any) {
     toast.error(err.message || "Google Login failed");
   } finally {