첫 커밋: 로컬 프로젝트 업로드

baron-sso/userfront/lib/core/notifiers/auth_notifier.dart

@@ -0,0 +1,16 @@
+import 'package:flutter/foundation.dart';
+import '../services/auth_token_store.dart';
+
+class AuthNotifier extends ChangeNotifier {
+  static final AuthNotifier instance = AuthNotifier();
+
+  Future<void> onLoginSuccess(String token, {String? provider}) async {
+    AuthTokenStore.setToken(token, provider: provider);
+    AuthTokenStore.clearPendingProvider();
+    notifyListeners();
+  }
+
+  void notify() {
+    notifyListeners();
+  }
+}