fix

lib/core/config/config.dart

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+/// Export all core configuration
+///
+/// Contains app configuration settings
+library;
+
+export 'image_cache_config.dart';

lib/core/constants/constants.dart

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+/// Export all core constants
+///
+/// Contains all application-wide constant values
+library;
+
+export 'api_constants.dart';
+export 'app_constants.dart';
+export 'performance_constants.dart';
+export 'storage_constants.dart';
+export 'ui_constants.dart';

lib/core/core.dart

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+/// 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';

lib/core/database/database.dart

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+/// Export all core database components
+///
+/// Contains Hive database initialization and utilities
+library;
+
+export 'database_initializer.dart';
+export 'hive_database.dart';
+export 'seed_data.dart';

lib/core/di/di.dart

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+/// Export all dependency injection components
+///
+/// Contains service locator and injection container setup
+library;
+
+export 'injection_container.dart';
+export 'service_locator.dart';

lib/core/errors/errors.dart

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+/// Export all core error handling
+///
+/// Contains custom exceptions and failure classes
+library;
+
+export 'exceptions.dart';
+export 'failures.dart';

lib/core/network/network.dart

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+/// Export all core network components
+///
+/// Contains HTTP client, interceptors, and network utilities
+library;
+
+export 'api_interceptor.dart';
+export 'dio_client.dart';
+export 'network_info.dart';

lib/core/storage/storage.dart

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+/// Export all core storage components
+///
+/// Contains secure storage utilities
+library;
+
+export 'secure_storage.dart';

lib/core/theme/theme.dart

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+/// Export all core theme components
+///
+/// Contains Material 3 theme configuration
+library;
+
+export 'app_theme.dart';
+export 'colors.dart';
+export 'typography.dart';

lib/core/utils/utils.dart

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+/// Export all core utilities
+///
+/// Contains helper functions, extensions, and utility classes
+library;
+
+export 'database_optimizer.dart';
+export 'debouncer.dart';
+export 'extensions.dart';
+export 'formatters.dart';
+export 'performance_monitor.dart';
+export 'responsive_helper.dart';
+export 'validators.dart';