Fix type error in TransactionEditDialog

Fixes a type error in TransactionEditDialog.tsx where the category type was incorrectly assigned.

src/components/TransactionEditDialog.tsx

@@ -23,6 +23,7 @@ import TransactionFormFields, {
 } from './transaction/TransactionFormFields';
 import TransactionDeleteAlert from './transaction/TransactionDeleteAlert';
 import { useIsMobile } from '@/hooks/use-mobile';
+import { EXPENSE_CATEGORIES } from '@/constants/categoryIcons';
 
 interface TransactionEditDialogProps {
   transaction: Transaction;
@@ -49,13 +50,22 @@ const TransactionEditDialog: React.FC<TransactionEditDialogProps> = ({
   // 작업 중첩 방지를 위한 참조
   const isProcessingRef = useRef(false);
 
+  // 카테고리 매핑 함수 - 이전 카테고리명을 새 카테고리명으로 변환
+  const mapCategoryToNew = (oldCategory: string): "음식" | "쇼핑" | "교통비" => {
+    if (oldCategory === '식비') return '음식';
+    if (oldCategory === '생활비') return '쇼핑';
+    if (EXPENSE_CATEGORIES.includes(oldCategory as any)) return oldCategory as "음식" | "쇼핑" | "교통비";
+    // 기본값은 '쇼핑'으로 설정
+    return '쇼핑';
+  };
+
   // 폼 설정
   const form = useForm<TransactionFormValues>({
     resolver: zodResolver(transactionFormSchema),
     defaultValues: {
       title: transaction.title,
       amount: formatWithCommas(transaction.amount.toString()),
-      category: transaction.category as '식비' | '생활비' | '교통비',
+      category: mapCategoryToNew(transaction.category),
     },
   });
   
@@ -65,7 +75,7 @@ const TransactionEditDialog: React.FC<TransactionEditDialogProps> = ({
       form.reset({
         title: transaction.title,
         amount: formatWithCommas(transaction.amount.toString()),
-        category: transaction.category as '식비' | '생활비' | '교통비',
+        category: mapCategoryToNew(transaction.category),
       });
     }
   }, [open, transaction, form]);