add dropdown

lib/core/di/providers.dart

@@ -18,6 +18,14 @@ import '../../features/warehouse/data/repositories/warehouse_repository_impl.dar
 import '../../features/warehouse/domain/repositories/warehouse_repository.dart';
 import '../../features/warehouse/domain/usecases/get_warehouses_usecase.dart';
 import '../../features/warehouse/presentation/providers/warehouse_provider.dart';
+import '../../features/users/data/datasources/users_local_datasource.dart';
+import '../../features/users/data/datasources/users_remote_datasource.dart';
+import '../../features/users/data/repositories/users_repository_impl.dart';
+import '../../features/users/domain/repositories/users_repository.dart';
+import '../../features/users/domain/usecases/get_users_usecase.dart';
+import '../../features/users/domain/usecases/sync_users_usecase.dart';
+import '../../features/users/presentation/providers/users_provider.dart';
+import '../../features/users/presentation/providers/users_state.dart';
 import '../network/api_client.dart';
 import '../storage/secure_storage.dart';
 
@@ -392,6 +400,105 @@ final productDetailErrorProvider = Provider.family<String?, String>((ref, key) {
   return state.error;
 });
 
+/// ========================================================================
+/// USERS FEATURE PROVIDERS
+/// ========================================================================
+/// Providers for users feature following clean architecture
+
+// Data Layer
+
+/// Users local data source provider
+/// Handles local storage operations for users using Hive
+final usersLocalDataSourceProvider = Provider<UsersLocalDataSource>((ref) {
+  return UsersLocalDataSourceImpl();
+});
+
+/// Users remote data source provider
+/// Handles API calls for users
+final usersRemoteDataSourceProvider = Provider<UsersRemoteDataSource>((ref) {
+  final apiClient = ref.watch(apiClientProvider);
+  return UsersRemoteDataSourceImpl(apiClient);
+});
+
+/// Users repository provider
+/// Implements domain repository interface
+/// Coordinates between local and remote data sources
+final usersRepositoryProvider = Provider<UsersRepository>((ref) {
+  final remoteDataSource = ref.watch(usersRemoteDataSourceProvider);
+  final localDataSource = ref.watch(usersLocalDataSourceProvider);
+  return UsersRepositoryImpl(
+    remoteDataSource: remoteDataSource,
+    localDataSource: localDataSource,
+  );
+});
+
+// Domain Layer
+
+/// Get users use case provider
+/// Encapsulates user fetching business logic (local-first strategy)
+final getUsersUseCaseProvider = Provider<GetUsersUseCase>((ref) {
+  final repository = ref.watch(usersRepositoryProvider);
+  return GetUsersUseCase(repository);
+});
+
+/// Sync users use case provider
+/// Encapsulates user syncing business logic (force refresh from API)
+final syncUsersUseCaseProvider = Provider<SyncUsersUseCase>((ref) {
+  final repository = ref.watch(usersRepositoryProvider);
+  return SyncUsersUseCase(repository);
+});
+
+// Presentation Layer
+
+/// Users state notifier provider
+/// Manages users state including list, loading, and errors
+final usersProvider = StateNotifierProvider<UsersNotifier, UsersState>((ref) {
+  final getUsersUseCase = ref.watch(getUsersUseCaseProvider);
+  final syncUsersUseCase = ref.watch(syncUsersUseCaseProvider);
+  return UsersNotifier(
+    getUsersUseCase: getUsersUseCase,
+    syncUsersUseCase: syncUsersUseCase,
+  );
+});
+
+/// Convenient providers for users state
+
+/// Provider to get list of users
+/// Usage: ref.watch(usersListProvider)
+final usersListProvider = Provider((ref) {
+  final usersState = ref.watch(usersProvider);
+  return usersState.users;
+});
+
+/// Provider to check if users are loading
+/// Usage: ref.watch(isUsersLoadingProvider)
+final isUsersLoadingProvider = Provider<bool>((ref) {
+  final usersState = ref.watch(usersProvider);
+  return usersState.isLoading;
+});
+
+/// Provider to check if users list has items
+/// Usage: ref.watch(hasUsersProvider)
+final hasUsersProvider = Provider<bool>((ref) {
+  final usersState = ref.watch(usersProvider);
+  return usersState.users.isNotEmpty;
+});
+
+/// Provider to get users count
+/// Usage: ref.watch(usersCountProvider)
+final usersCountProvider = Provider<int>((ref) {
+  final usersState = ref.watch(usersProvider);
+  return usersState.users.length;
+});
+
+/// Provider to get users error
+/// Returns null if no error
+/// Usage: ref.watch(usersErrorProvider)
+final usersErrorProvider = Provider<String?>((ref) {
+  final usersState = ref.watch(usersProvider);
+  return usersState.error;
+});
+
 /// ========================================================================
 /// USAGE EXAMPLES
 /// ========================================================================