결재 템플릿 단계 적용 구현

- ApprovalTemplate 엔티티·DTO·원격 리포지토리 추가
- ApprovalController에 템플릿 로딩/적용 상태와 assignSteps 호출 연동
- ApprovalPage 단계 탭에 템플릿 선택 UI 및 적용 확인 다이얼로그 구현
- 템플릿 적용 단위 테스트와 IMPLEMENTATION_TASKS 현황 갱신

test/features/masters/menu/presentation/pages/menu_page_test.dart

@@ -0,0 +1,181 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_dotenv/flutter_dotenv.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:get_it/get_it.dart';
+import 'package:mocktail/mocktail.dart';
+import 'package:shadcn_ui/shadcn_ui.dart';
+
+import 'package:superport_v2/core/common/models/paginated_result.dart';
+import 'package:superport_v2/features/masters/menu/domain/entities/menu.dart';
+import 'package:superport_v2/features/masters/menu/domain/repositories/menu_repository.dart';
+import 'package:superport_v2/features/masters/menu/presentation/pages/menu_page.dart';
+
+class _MockMenuRepository extends Mock implements MenuRepository {}
+
+class _FakeMenuInput extends Fake implements MenuInput {}
+
+Widget _buildApp(Widget child) {
+  return MaterialApp(
+    home: ShadTheme(
+      data: ShadThemeData(
+        colorScheme: const ShadSlateColorScheme.light(),
+        brightness: Brightness.light,
+      ),
+      child: Scaffold(body: child),
+    ),
+  );
+}
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+
+  setUpAll(() {
+    registerFallbackValue(_FakeMenuInput());
+  });
+
+  tearDown(() async {
+    await GetIt.I.reset();
+    dotenv.clean();
+  });
+
+  testWidgets('플래그 Off 시 스펙 화면 노출', (tester) async {
+    dotenv.testLoad(fileInput: 'FEATURE_MENUS_ENABLED=false\n');
+
+    await tester.pumpWidget(_buildApp(const MenuPage()));
+    await tester.pump();
+
+    expect(find.text('메뉴 관리'), findsOneWidget);
+    expect(find.text('비활성화 (백엔드 준비 중)'), findsOneWidget);
+  });
+
+  group('플래그 On', () {
+    late _MockMenuRepository repository;
+
+    setUp(() {
+      dotenv.testLoad(fileInput: 'FEATURE_MENUS_ENABLED=true\n');
+      repository = _MockMenuRepository();
+      GetIt.I.registerLazySingleton<MenuRepository>(() => repository);
+    });
+
+    testWidgets('목록을 조회해 테이블을 렌더링한다', (tester) async {
+      when(
+        () => repository.list(
+          page: any(named: 'page'),
+          pageSize: any(named: 'pageSize'),
+          query: any(named: 'query'),
+          parentId: any(named: 'parentId'),
+          isActive: any(named: 'isActive'),
+          includeDeleted: any(named: 'includeDeleted'),
+        ),
+      ).thenAnswer(
+        (_) async => PaginatedResult<MenuItem>(
+          items: [MenuItem(id: 1, menuCode: 'MENU001', menuName: '대시보드')],
+          page: 1,
+          pageSize: 20,
+          total: 1,
+        ),
+      );
+
+      await tester.pumpWidget(_buildApp(const MenuPage()));
+      await tester.pumpAndSettle();
+
+      expect(find.text('MENU001'), findsOneWidget);
+    });
+
+    testWidgets('신규 등록 폼 검증 에러 표시', (tester) async {
+      when(
+        () => repository.list(
+          page: any(named: 'page'),
+          pageSize: any(named: 'pageSize'),
+          query: any(named: 'query'),
+          parentId: any(named: 'parentId'),
+          isActive: any(named: 'isActive'),
+          includeDeleted: any(named: 'includeDeleted'),
+        ),
+      ).thenAnswer(
+        (_) async => PaginatedResult<MenuItem>(
+          items: const [],
+          page: 1,
+          pageSize: 20,
+          total: 0,
+        ),
+      );
+
+      await tester.pumpWidget(_buildApp(const MenuPage()));
+      await tester.pumpAndSettle();
+
+      await tester.tap(find.text('신규 등록'));
+      await tester.pumpAndSettle();
+
+      await tester.tap(find.text('등록'));
+      await tester.pump();
+
+      expect(find.text('메뉴코드를 입력하세요.'), findsOneWidget);
+      expect(find.text('메뉴명을 입력하세요.'), findsOneWidget);
+    });
+
+    testWidgets('신규 등록 성공 시 repository.create 호출', (tester) async {
+      var listCall = 0;
+      when(
+        () => repository.list(
+          page: any(named: 'page'),
+          pageSize: any(named: 'pageSize'),
+          query: any(named: 'query'),
+          parentId: any(named: 'parentId'),
+          isActive: any(named: 'isActive'),
+          includeDeleted: any(named: 'includeDeleted'),
+        ),
+      ).thenAnswer((_) async {
+        listCall += 1;
+        if (listCall == 1) {
+          return PaginatedResult<MenuItem>(
+            items: const [],
+            page: 1,
+            pageSize: 20,
+            total: 0,
+          );
+        }
+        return PaginatedResult<MenuItem>(
+          items: [MenuItem(id: 10, menuCode: 'MENU010', menuName: '신규 메뉴')],
+          page: 1,
+          pageSize: 20,
+          total: 1,
+        );
+      });
+
+      MenuInput? capturedInput;
+      when(() => repository.create(any())).thenAnswer((invocation) async {
+        capturedInput = invocation.positionalArguments.first as MenuInput;
+        return MenuItem(
+          id: 10,
+          menuCode: capturedInput!.menuCode,
+          menuName: capturedInput!.menuName,
+        );
+      });
+
+      await tester.pumpWidget(_buildApp(const MenuPage()));
+      await tester.pumpAndSettle();
+
+      await tester.tap(find.text('신규 등록'));
+      await tester.pumpAndSettle();
+
+      final dialog = find.byType(Dialog);
+      final editableTexts = find.descendant(
+        of: dialog,
+        matching: find.byType(EditableText),
+      );
+
+      await tester.enterText(editableTexts.at(0), 'MENU010');
+      await tester.enterText(editableTexts.at(1), '신규 메뉴');
+
+      await tester.tap(find.text('등록'));
+      await tester.pumpAndSettle();
+
+      expect(capturedInput, isNotNull);
+      expect(capturedInput?.menuCode, 'MENU010');
+      expect(find.byType(Dialog), findsNothing);
+      expect(find.text('MENU010'), findsOneWidget);
+      verify(() => repository.create(any())).called(1);
+    });
+  });
+}