fix settings

lib/features/auth/domain/repositories/auth_repository.dart

@@ -0,0 +1,48 @@
+import 'package:fpdart/fpdart.dart';
+import '../../../../core/errors/failures.dart';
+import '../entities/user.dart';
+
+/// Auth repository interface
+abstract class AuthRepository {
+  /// Login with email and password
+  Future<Either<Failure, User>> login({
+    required String email,
+    required String password,
+  });
+
+  /// Register new user
+  Future<Either<Failure, User>> register({
+    required String email,
+    required String password,
+    required String name,
+  });
+
+  /// Logout current user
+  Future<Either<Failure, void>> logout();
+
+  /// Get current user
+  Future<Either<Failure, User?>> getCurrentUser();
+
+  /// Check if user is authenticated
+  Future<bool> isAuthenticated();
+
+  /// Refresh token
+  Future<Either<Failure, User>> refreshToken();
+
+  /// Update user profile
+  Future<Either<Failure, User>> updateProfile({
+    required String name,
+    String? avatarUrl,
+  });
+
+  /// Change password
+  Future<Either<Failure, void>> changePassword({
+    required String oldPassword,
+    required String newPassword,
+  });
+
+  /// Reset password
+  Future<Either<Failure, void>> resetPassword({
+    required String email,
+  });
+}