refactoring

app/lib/features/user/domain/repositories/auth.dart

@@ -1,3 +1,4 @@
+import 'package:lensai/features/user/domain/entities/auth_exception.dart';
 import 'package:lensai/features/user/domain/providers.dart';
 import 'package:lensai/features/user/extensions/client_exception.dart';
 import 'package:pocketbase/pocketbase.dart';
@@ -5,17 +6,6 @@ import 'package:riverpod_annotation/riverpod_annotation.dart';
 
 part 'auth.g.dart';
 
-class AuthException implements Exception {
-  final String message;
-
-  AuthException(this.message);
-
-  @override
-  String toString() {
-    return message;
-  }
-}
-
 @Riverpod()
 class AuthRepository extends _$AuthRepository {
   late PocketBase _pb;