feat: CEO 대시보드 접대비/복리후생비/매출채권/캘린더 섹션 개선 및 회계 페이지 확장

- 접대비/복리후생비 섹션: 리스크감지형 구조로 변경
- 매출채권 섹션: transformer/타입 정비
- 캘린더 섹션: ScheduleDetailModal 개선
- 카드관리 모달 transformer 확장
- useCEODashboard 훅 리팩토링 및 정리
- dashboard endpoints/types/transformers (expense, receivable, tax-benefits) 대폭 확장
- 회계 5개 페이지(은행거래, 카드거래, 매출채권, 세금계산서, 거래처원장) 기능 개선
- ApprovalBox 소폭 수정
- CLAUDE.md 업데이트

src/lib/api/dashboard/transformers.ts

@@ -10,7 +10,7 @@ export { transformReceivableResponse, transformDebtCollectionResponse } from './
 export { transformMonthlyExpenseResponse, transformCardManagementResponse } from './transformers/expense';
 export { transformStatusBoardResponse, transformTodayIssueResponse } from './transformers/status-issue';
 export { transformCalendarResponse } from './transformers/calendar';
-export { transformVatResponse, transformEntertainmentResponse, transformWelfareResponse, transformWelfareDetailResponse } from './transformers/tax-benefits';
+export { transformVatResponse, transformVatDetailResponse, transformEntertainmentResponse, transformEntertainmentDetailResponse, transformWelfareResponse, transformWelfareDetailResponse } from './transformers/tax-benefits';
 export { transformPurchaseDetailResponse, transformCardDetailResponse, transformBillDetailResponse, transformExpectedExpenseDetailResponse, transformPurchaseRecordsToModal, transformCardTransactionsToModal, transformBillRecordsToModal, transformAllExpensesToModal } from './transformers/expense-detail';
 export { transformSalesStatusResponse, transformPurchaseStatusResponse } from './transformers/sales-purchase';
 export { transformDailyProductionResponse, transformUnshippedResponse, transformConstructionResponse } from './transformers/production-logistics';