fix

lib/core/core.dart

@@ -0,0 +1,34 @@
+/// Core Module Barrel Export
+///
+/// Central export file for all core utilities, constants, and shared components.
+/// This module contains everything that's shared across features.
+///
+/// Usage:
+/// ```dart
+/// import 'package:retail/core/core.dart';
+/// ```
+///
+/// Includes:
+/// - Constants: API, app, storage, UI, performance
+/// - Network: Dio client, interceptors, network info
+/// - Storage: Secure storage, database
+/// - Theme: Material 3 theme, colors, typography
+/// - Utils: Formatters, validators, extensions, helpers
+/// - DI: Dependency injection setup
+/// - Widgets: Reusable UI components
+/// - Errors: Exception and failure handling
+library;
+
+// Export all core modules
+export 'config/config.dart';
+export 'constants/constants.dart';
+export 'database/database.dart';
+export 'di/di.dart';
+export 'errors/errors.dart';
+export 'network/network.dart';
+export 'performance.dart';
+export 'providers/providers.dart';
+export 'storage/storage.dart';
+export 'theme/theme.dart';
+export 'utils/utils.dart';
+export 'widgets/widgets.dart';