feat(menus): 메뉴 일괄 선택 삭제/복구/영구삭제 기능 추가

- GlobalMenu 모델에 getSection(), getMeta() 메서드 추가 (import 모드 500 에러 해결)
- table.blade.php: normal 모드에서 체크박스 + 드래그 핸들 분리
- index.blade.php: 선택 삭제/복구/영구삭제 버튼 및 JS 함수 추가
- MenuController: bulkDelete, bulkRestore, bulkForceDelete API 추가
- routes/api.php: bulk 엔드포인트 3개 등록

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

app/Http/Controllers/Api/Admin/MenuController.php

@@ -450,4 +450,109 @@ public function copyFromGlobal(Request $request): JsonResponse
             ], 500);
         }
     }
+
+    /**
+     * 선택 삭제 (일괄 soft delete)
+     */
+    public function bulkDelete(Request $request): JsonResponse
+    {
+        $validated = $request->validate([
+            'menu_ids' => 'required|array|min:1',
+            'menu_ids.*' => 'required|integer',
+        ]);
+
+        try {
+            $deleted = 0;
+            foreach ($validated['menu_ids'] as $menuId) {
+                if ($this->menuService->deleteMenu($menuId)) {
+                    $deleted++;
+                }
+            }
+
+            return response()->json([
+                'success' => true,
+                'message' => "{$deleted}개 메뉴가 삭제되었습니다.",
+                'deleted' => $deleted,
+            ]);
+        } catch (\Exception $e) {
+            return response()->json([
+                'success' => false,
+                'message' => '메뉴 삭제에 실패했습니다: '.$e->getMessage(),
+            ], 500);
+        }
+    }
+
+    /**
+     * 선택 복원 (일괄 restore)
+     */
+    public function bulkRestore(Request $request): JsonResponse
+    {
+        $validated = $request->validate([
+            'menu_ids' => 'required|array|min:1',
+            'menu_ids.*' => 'required|integer',
+        ]);
+
+        try {
+            $restored = 0;
+            foreach ($validated['menu_ids'] as $menuId) {
+                $this->menuService->restoreMenu($menuId);
+                $restored++;
+            }
+
+            return response()->json([
+                'success' => true,
+                'message' => "{$restored}개 메뉴가 복원되었습니다.",
+                'restored' => $restored,
+            ]);
+        } catch (\Exception $e) {
+            return response()->json([
+                'success' => false,
+                'message' => '메뉴 복원에 실패했습니다: '.$e->getMessage(),
+            ], 500);
+        }
+    }
+
+    /**
+     * 선택 영구삭제 (일괄 force delete, 슈퍼관리자 전용)
+     */
+    public function bulkForceDelete(Request $request): JsonResponse
+    {
+        // 슈퍼관리자 권한 체크
+        if (! auth()->user()?->is_super_admin) {
+            return response()->json([
+                'success' => false,
+                'message' => '권한이 없습니다.',
+            ], 403);
+        }
+
+        $validated = $request->validate([
+            'menu_ids' => 'required|array|min:1',
+            'menu_ids.*' => 'required|integer',
+        ]);
+
+        try {
+            $deleted = 0;
+            $totalPermissions = 0;
+
+            foreach ($validated['menu_ids'] as $menuId) {
+                $result = $this->menuService->forceDeleteMenu($menuId);
+                if ($result['success']) {
+                    $deleted++;
+                    $totalPermissions += count($result['deleted_permissions'] ?? []);
+                }
+            }
+
+            return response()->json([
+                'success' => true,
+                'message' => "{$deleted}개 메뉴가 영구 삭제되었습니다. (연관 권한 {$totalPermissions}개 삭제)",
+                'deleted' => $deleted,
+                'deleted_permissions' => $totalPermissions,
+            ]);
+        } catch (\Exception $e) {
+            return response()->json([
+                'success' => false,
+                'message' => '메뉴 영구삭제에 실패했습니다: '.$e->getMessage(),
+            ], 500);
+        }
+    }
 }