feat: [회계] 매출/청구/입출금 관리 UI 개선

- 매출관리 SalesDetail, types 개선
- 청구관리 BillManagementClient 개선
- 입금/출금관리 상세 설정 개선

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/components/accounting/WithdrawalManagement/withdrawalDetailConfig.ts

@@ -45,7 +45,7 @@ const fields: FieldDefinition[] = [
   {
     key: 'withdrawalAmount',
     label: '출금금액',
-    type: 'number',
+    type: 'currency',
     placeholder: '출금금액을 입력해주세요',
     disabled: (mode) => mode === 'view',
   },