feat: 재고 상태 전이 플래그 적용 및 실패 메시지 정비

lib/features/login/presentation/pages/login_page.dart

@@ -1,10 +1,19 @@
 import 'dart:math' as math;
 
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
+import 'package:get_it/get_it.dart';
 import 'package:go_router/go_router.dart';
 import 'package:shadcn_ui/shadcn_ui.dart';
 
 import '../../../../core/constants/app_sections.dart';
+import '../../../../core/network/failure.dart';
+import '../../../../core/permissions/permission_manager.dart';
+import '../../../../core/permissions/permission_resources.dart';
+import '../../../masters/group/domain/entities/group.dart';
+import '../../../masters/group/domain/repositories/group_repository.dart';
+import '../../../masters/group_permission/application/permission_synchronizer.dart';
+import '../../../masters/group_permission/domain/repositories/group_permission_repository.dart';
 
 /// Superport 로그인 화면. 간단한 유효성 검증 후 대시보드로 이동한다.
 class LoginPage extends StatefulWidget {
@@ -58,6 +67,24 @@ class _LoginPageState extends State<LoginPage> {
     }
 
     if (!mounted) return;
+    try {
+      await _synchronizePermissions();
+    } catch (error) {
+      if (!mounted) return;
+      final failure = Failure.from(error);
+      final description = failure.describe();
+      final message = description.isEmpty
+          ? '권한 정보를 불러오지 못했습니다. 잠시 후 다시 시도하세요.'
+          : description;
+      setState(() {
+        errorMessage = message;
+        isLoading = false;
+      });
+      return;
+    }
+
+    if (!mounted) return;
+    setState(() => isLoading = false);
     context.go(dashboardRoutePath);
   }
 
@@ -222,6 +249,13 @@ class _LoginPageState extends State<LoginPage> {
               ],
             ),
           ),
+          if (kDebugMode) ...[
+            const SizedBox(height: 12),
+            ShadButton.ghost(
+              onPressed: isLoading ? null : _handleTestLogin,
+              child: const Text('테스트 로그인'),
+            ),
+          ],
         ],
       ),
     );
@@ -250,4 +284,73 @@ class _LoginPageState extends State<LoginPage> {
       ],
     );
   }
+
+  /// 디버그 모드에서 모든 권한을 부여하고 즉시 대시보드로 이동한다.
+  void _handleTestLogin() {
+    final manager = PermissionScope.of(context);
+    manager.clearServerPermissions();
+
+    final allActions = PermissionAction.values.toSet();
+    final overrides = <String, Set<PermissionAction>>{};
+    final dashboardResource = PermissionResources.normalize(dashboardRoutePath);
+    if (dashboardResource.isNotEmpty) {
+      overrides[dashboardResource] = allActions;
+    }
+    for (final page in allAppPages) {
+      final resource = PermissionResources.normalize(page.path);
+      if (resource.isEmpty) {
+        continue;
+      }
+      overrides[resource] = allActions;
+    }
+    manager.updateOverrides(overrides);
+
+    setState(() {
+      errorMessage = null;
+      isLoading = false;
+    });
+    if (!mounted) {
+      return;
+    }
+    context.go(dashboardRoutePath);
+  }
+
+  Future<void> _synchronizePermissions() async {
+    final manager = PermissionScope.of(context);
+    manager.clearServerPermissions();
+
+    final groupRepository = GetIt.I<GroupRepository>();
+    final defaultGroups = await groupRepository.list(
+      page: 1,
+      pageSize: 1,
+      isDefault: true,
+    );
+    Group? targetGroup = _firstGroupWithId(defaultGroups.items);
+
+    if (targetGroup == null) {
+      final fallbackGroups = await groupRepository.list(page: 1, pageSize: 1);
+      targetGroup = _firstGroupWithId(fallbackGroups.items);
+    }
+
+    if (targetGroup?.id == null) {
+      return;
+    }
+
+    final permissionRepository = GetIt.I<GroupPermissionRepository>();
+    final synchronizer = PermissionSynchronizer(
+      repository: permissionRepository,
+      manager: manager,
+    );
+    final groupId = targetGroup!.id!;
+    await synchronizer.syncForGroup(groupId);
+  }
+
+  Group? _firstGroupWithId(List<Group> groups) {
+    for (final group in groups) {
+      if (group.id != null) {
+        return group;
+      }
+    }
+    return null;
+  }
 }