feat: 결재·마스터 실연동 업데이트

lib/features/masters/customer/data/repositories/customer_repository_remote.dart

@@ -1,6 +1,7 @@
 import 'package:dio/dio.dart';
 import 'package:superport_v2/core/common/models/paginated_result.dart';
 import 'package:superport_v2/core/network/api_client.dart';
+import 'package:superport_v2/core/network/api_routes.dart';
 
 import '../../domain/entities/customer.dart';
 import '../../domain/repositories/customer_repository.dart';
@@ -12,7 +13,7 @@ class CustomerRepositoryRemote implements CustomerRepository {
 
   final ApiClient _api;
 
-  static const _basePath = '/customers';
+  static const _basePath = '${ApiRoutes.apiV1}/customers';
 
   /// 고객 목록을 조회한다.
   @override
@@ -39,6 +40,17 @@ class CustomerRepositoryRemote implements CustomerRepository {
     return CustomerDto.parsePaginated(response.data ?? const {});
   }
 
+  @override
+  Future<Customer> fetchDetail(int id, {bool includeZipcode = true}) async {
+    final response = await _api.get<Map<String, dynamic>>(
+      '$_basePath/$id',
+      query: {if (includeZipcode) 'include': 'zipcode'},
+      options: Options(responseType: ResponseType.json),
+    );
+    final data = (response.data?['data'] as Map<String, dynamic>?) ?? {};
+    return CustomerDto.fromJson(data).toEntity();
+  }
+
   /// 고객을 생성한다.
   @override
   Future<Customer> create(CustomerInput input) async {