부가서비스: 계좌명 인증 상태 표시 및 날짜 선택기 개선

- AccountHolderAuth에서 transferStatus 기반 성공/실패 표시 추가
- SingleDatePicker 컴포넌트 생성 및 링크결제 Step1에 적용
- 각 리스트 아이템에 key prop 추가로 React 경고 해결

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

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

src/entities/additional-service/ui/account-holder-auth/account-holder-auth-list.tsx

@@ -0,0 +1,33 @@
+import { PATHS } from '@/shared/constants/paths';
+import { ListDateGroup } from '../list-date-group';
+import { AccountHolderAuthListProps, AdditionalServiceCategory } from '../../model/types';
+
+export const AccountHolderAuthList = ({
+    listItems,
+    mid
+}: AccountHolderAuthListProps) => {
+
+    const getListDateGroup = () => {
+        let rs = [];
+        for (const [key, value] of Object.entries(listItems)) {
+            rs.push(
+                <ListDateGroup
+                    additionalServiceCategory={AdditionalServiceCategory.AccountHolderAuth}
+                    key={key}
+                    date={key}
+                    items={value}
+                    mid={mid}
+                ></ListDateGroup>
+            )
+        }
+        return rs;
+    };
+
+    return (
+        <>
+            <div className="transaction-list">
+                {getListDateGroup()}
+            </div>
+        </>
+    )
+}