feat(WEB): 권한 관리 시스템 구현 및 상세 페이지 권한 통합

- PermissionContext, usePermission 훅, PermissionGuard 컴포넌트 신규 추가
- AccessDenied 접근 거부 페이지 추가
- permissions lib (체커, 매퍼, 타입) 구현
- BadDebtDetail, BoardDetail, LaborDetail, PricingDetail 등 상세 페이지 권한 적용
- ProcessDetail, StepDetail, ItemDetail, PermissionDetail 권한 연동
- RootProvider에 PermissionProvider 통합
- protected layout 권한 체크 추가
- Claude 프로젝트 설정 파일 추가

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

src/components/accounting/BadDebtCollection/BadDebtDetail.tsx

@@ -43,6 +43,7 @@ import {
 } from './types';
 import { createBadDebt, updateBadDebt, deleteBadDebt, addBadDebtMemo, deleteBadDebtMemo } from './actions';
 import { isNextRedirectError } from '@/lib/utils/redirect-error';
+import { usePermission } from '@/hooks/usePermission';
 
 interface BadDebtDetailProps {
   mode: 'view' | 'edit' | 'new';
@@ -95,6 +96,7 @@ const getEmptyRecord = (): Omit<BadDebtRecord, 'id' | 'createdAt' | 'updatedAt'>
 
 export function BadDebtDetail({ mode, recordId, initialData }: BadDebtDetailProps) {
   const router = useRouter();
+  const { canUpdate, canDelete } = usePermission();
   const isViewMode = mode === 'view';
   const isNewMode = mode === 'new';
 
@@ -346,12 +348,16 @@ export function BadDebtDetail({ mode, recordId, initialData }: BadDebtDetailProp
     if (isViewMode) {
       return (
         <>
-          <Button variant="outline" className="text-red-500 border-red-200 hover:bg-red-50" onClick={handleDelete} disabled={isLoading}>
-            {isLoading ? '처리중...' : '삭제'}
-          </Button>
-          <Button onClick={handleEdit} className="bg-blue-500 hover:bg-blue-600" disabled={isLoading}>
-            수정
-          </Button>
+          {canDelete && (
+            <Button variant="outline" className="text-red-500 border-red-200 hover:bg-red-50" onClick={handleDelete} disabled={isLoading}>
+              {isLoading ? '처리중...' : '삭제'}
+            </Button>
+          )}
+          {canUpdate && (
+            <Button onClick={handleEdit} className="bg-blue-500 hover:bg-blue-600" disabled={isLoading}>
+              수정
+            </Button>
+          )}
         </>
       );
     }
@@ -365,7 +371,7 @@ export function BadDebtDetail({ mode, recordId, initialData }: BadDebtDetailProp
         </Button>
       </>
     );
-  }, [isViewMode, isNewMode, isLoading, handleDelete, handleEdit, handleCancel, handleSave, mode]);
+  }, [isViewMode, isNewMode, isLoading, handleDelete, handleEdit, handleCancel, handleSave, mode, canUpdate, canDelete]);
 
   // 입력 필드 렌더링 헬퍼
   const renderField = (