결재 API 계약 보완 및 테스트 정리

lib/features/dashboard/data/repositories/dashboard_repository_remote.dart

@@ -0,0 +1,28 @@
+import 'package:dio/dio.dart';
+
+import '../../../../core/network/api_client.dart';
+import '../../../../core/network/api_routes.dart';
+import '../../domain/entities/dashboard_summary.dart';
+import '../../domain/repositories/dashboard_repository.dart';
+import '../dtos/dashboard_summary_dto.dart';
+
+/// 대시보드 요약 데이터를 불러오는 원격 저장소.
+class DashboardRepositoryRemote implements DashboardRepository {
+  DashboardRepositoryRemote({required ApiClient apiClient}) : _api = apiClient;
+
+  final ApiClient _api;
+
+  static const _summaryPath = '${ApiRoutes.apiV1}/dashboard/summary';
+
+  @override
+  Future<DashboardSummary> fetchSummary() async {
+    final response = await _api.get<Map<String, dynamic>>(
+      _summaryPath,
+      options: Options(responseType: ResponseType.json),
+    );
+    final json = (response.data?['data'] as Map<String, dynamic>?) ??
+        response.data ??
+        const <String, dynamic>{};
+    return DashboardSummaryDto.fromJson(json).toEntity();
+  }
+}