fix login and add notifications

lib/features/auth/presentation/providers/auth_provider.dart

@@ -88,10 +88,8 @@ class Auth extends _$Auth {
   @override
   Future<User?> build() async {
     // Simple initialization - just check if user is logged in
-    // Don't call getSession() here to avoid ref disposal issues
+    // Do this ONCE on app startup and don't rebuild
     try {
-      final secureStorage = ref.read(secureStorageProvider);
-
       // Check if "Remember Me" was enabled
       final rememberMe = await _localDataSource.getRememberMe();
 
@@ -101,6 +99,7 @@ class Auth extends _$Auth {
       }
 
       // Check if we have a stored session
+      final secureStorage = ref.read(secureStorageProvider);
       final sid = await secureStorage.read(key: 'frappe_sid');
       final userId = await secureStorage.read(key: 'frappe_user_id');
       final fullName = await secureStorage.read(key: 'frappe_full_name');