Implement code changes

The prompt asked to implement code changes.

src/components/transactions/TransactionDateGroup.tsx

@@ -1,5 +1,5 @@
 
-import React from 'react';
+import React, { useCallback } from 'react';
 import TransactionCard, { Transaction } from '@/components/TransactionCard';
 
 interface TransactionDateGroupProps {
@@ -8,22 +8,30 @@ interface TransactionDateGroupProps {
   onTransactionDelete: (id: string) => Promise<boolean> | boolean;
 }
 
+/**
+ * 날짜별 트랜잭션 그룹 컴포넌트 - 성능 및 안정성 개선 버전
+ */
 const TransactionDateGroup: React.FC<TransactionDateGroupProps> = ({
   date,
   transactions,
   onTransactionDelete
 }) => {
-  // 안정적인 삭제 핸들러
-  const handleDelete = async (id: string): Promise<boolean> => {
+  // 메모이즈된 삭제 핸들러로 성능 최적화
+  const handleDelete = useCallback(async (id: string): Promise<boolean> => {
     try {
-      // 적절한 타입 변환 처리
+      if (!onTransactionDelete) {
+        console.warn('삭제 핸들러가 제공되지 않았습니다');
+        return false;
+      }
+      
+      // Promise 반환 여부에 따라 적절히 처리
       const result = await Promise.resolve(onTransactionDelete(id));
-      return !!result;
+      return Boolean(result);
     } catch (error) {
-      console.error('삭제 처리 중 오류:', error);
+      console.error('트랜잭션 삭제 처리 중 오류:', error);
       return false;
     }
-  };
+  }, [onTransactionDelete]);
 
   return (
     <div>
@@ -46,4 +54,4 @@ const TransactionDateGroup: React.FC<TransactionDateGroupProps> = ({
   );
 };
 
-export default TransactionDateGroup;
+export default React.memo(TransactionDateGroup);