Refactor project for improvements

This commit refactors the project to improve overall code quality, performance, and maintainability. Specific changes may include code cleanup, optimization, and architectural enhancements.

src/components/transactions/TransactionDateGroup.tsx

@@ -13,12 +13,14 @@ const TransactionDateGroup: React.FC<TransactionDateGroupProps> = ({
   transactions,
   onTransactionDelete
 }) => {
-  // onTransactionDelete 함수를 래핑하여 Promise<boolean>을 반환하도록 보장
+  // 안정적인 삭제 핸들러
   const handleDelete = async (id: string): Promise<boolean> => {
     try {
-      return await onTransactionDelete(id);
+      // 적절한 타입 변환 처리
+      const result = await Promise.resolve(onTransactionDelete(id));
+      return !!result;
     } catch (error) {
-      console.error('트랜잭션 삭제 처리 중 오류:', error);
+      console.error('삭제 처리 중 오류:', error);
       return false;
     }
   };