feat: refactor code

lib/core/network/api_client.dart

@@ -1,27 +0,0 @@
-import 'package:dio/dio.dart';
-
-import '../config.dart';
-import '../storage/token_storage.dart';
-
-/// کلاینت HTTP با تزریق خودکار توکن Bearer.
-class ApiClient {
-  final Dio dio;
-
-  ApiClient(TokenStorage storage)
-      : dio = Dio(BaseOptions(
-          baseUrl: AppConfig.apiUrl,
-          connectTimeout: const Duration(seconds: 10),
-          receiveTimeout: const Duration(seconds: 10),
-          headers: {'Accept': 'application/json'},
-        )) {
-    dio.interceptors.add(InterceptorsWrapper(
-      onRequest: (options, handler) async {
-        final token = await storage.read();
-        if (token != null && token.isNotEmpty) {
-          options.headers['Authorization'] = 'Bearer $token';
-        }
-        handler.next(options);
-      },
-    ));
-  }
-}

lib/core/network/api_provider_imp.dart

@@ -0,0 +1,41 @@
+import 'package:dio/dio.dart';
+
+import '../config.dart';
+import '../storage/token_storage.dart';
+
+/// لایه‌ی پایه‌ی شبکه: یک Dio با baseUrl، تزریق خودکار توکن Bearer و
+/// validateStatus باز (تا کدهای خطا throw نشوند و در repository بررسی شوند).
+class ApiProviderImp {
+  final Dio dio;
+
+  ApiProviderImp(TokenStorage storage)
+      : dio = Dio(BaseOptions(
+          baseUrl: AppConfig.apiUrl,
+          connectTimeout: const Duration(seconds: 10),
+          receiveTimeout: const Duration(seconds: 15),
+          headers: {'Accept': 'application/json'},
+          validateStatus: (_) => true,
+        )) {
+    dio.interceptors.add(InterceptorsWrapper(
+      onRequest: (options, handler) async {
+        final token = await storage.read();
+        if (token != null && token.isNotEmpty) {
+          options.headers['Authorization'] = 'Bearer $token';
+        }
+        handler.next(options);
+      },
+    ));
+  }
+
+  Future<Response> get(String path, {Map<String, dynamic>? query}) =>
+      dio.get(path, queryParameters: query);
+
+  Future<Response> post(String path, {Object? body}) =>
+      dio.post(path, data: body);
+
+  Future<Response> put(String path, {Object? body}) =>
+      dio.put(path, data: body);
+
+  Future<Response> delete(String path, {Object? body}) =>
+      dio.delete(path, data: body);
+}