feat: 결재·마스터 실연동 업데이트

lib/features/masters/group_permission/application/permission_synchronizer.dart

@@ -0,0 +1,51 @@
+import 'package:superport_v2/core/permissions/permission_manager.dart';
+
+import '../domain/entities/group_permission.dart';
+import '../domain/mappers/group_permission_mapper.dart';
+import '../domain/repositories/group_permission_repository.dart';
+
+/// 서버에서 그룹 메뉴 권한을 조회해 [PermissionManager]에 반영하는 동기화기.
+class PermissionSynchronizer {
+  PermissionSynchronizer({
+    required GroupPermissionRepository repository,
+    required PermissionManager manager,
+    this.pageSize = 200,
+  }) : _repository = repository,
+       _manager = manager;
+
+  final GroupPermissionRepository _repository;
+  final PermissionManager _manager;
+  final int pageSize;
+
+  /// 지정한 [groupId]의 메뉴 권한을 조회해 [PermissionManager]에 적용한다.
+  Future<void> syncForGroup(int groupId) async {
+    final collected = <GroupPermission>[];
+    var page = 1;
+
+    while (true) {
+      final response = await _repository.list(
+        page: page,
+        pageSize: pageSize,
+        groupId: groupId,
+        includeDeleted: false,
+        isActive: true,
+      );
+      collected.addAll(response.items);
+
+      final currentPageSize = response.pageSize == 0
+          ? response.items.length
+          : response.pageSize;
+      if (currentPageSize == 0) {
+        break;
+      }
+      final fetched = page * currentPageSize;
+      if (fetched >= response.total) {
+        break;
+      }
+      page += 1;
+    }
+
+    final permissionMap = buildPermissionMap(collected);
+    _manager.applyServerPermissions(permissionMap);
+  }
+}