Fix data persistence issue

Addresses a problem where budget and expense data was not being saved correctly.

src/components/TransactionEditDialog.tsx

@@ -3,6 +3,7 @@ import React from 'react';
 import { zodResolver } from '@hookform/resolvers/zod';
 import { useForm } from 'react-hook-form';
 import { Transaction } from '@/components/TransactionCard';
+import { useBudget } from '@/contexts/BudgetContext';
 import { 
   Dialog, 
   DialogContent, 
@@ -25,7 +26,7 @@ interface TransactionEditDialogProps {
   transaction: Transaction;
   open: boolean;
   onOpenChange: (open: boolean) => void;
-  onSave: (updatedTransaction: Transaction) => void;
+  onSave?: (updatedTransaction: Transaction) => void;
   onDelete?: (id: string) => void;
 }
 
@@ -36,6 +37,8 @@ const TransactionEditDialog: React.FC<TransactionEditDialogProps> = ({
   onSave,
   onDelete
 }) => {
+  const { updateTransaction, deleteTransaction } = useBudget();
+
   const form = useForm<TransactionFormValues>({
     resolver: zodResolver(transactionFormSchema),
     defaultValues: {
@@ -49,26 +52,44 @@ const TransactionEditDialog: React.FC<TransactionEditDialogProps> = ({
     // Remove commas from amount string and convert to number
     const cleanAmount = values.amount.replace(/,/g, '');
     
-    onSave({
+    const updatedTransaction = {
       ...transaction,
       title: values.title,
       amount: Number(cleanAmount),
       category: values.category,
-    });
+    };
+    
+    // 컨텍스트를 통해 트랜잭션 업데이트
+    updateTransaction(updatedTransaction);
+    
+    // 부모 컴포넌트의 onSave 콜백이 있다면 호출
+    if (onSave) {
+      onSave(updatedTransaction);
+    }
     
     onOpenChange(false);
+    
+    toast({
+      title: "지출이 수정되었습니다",
+      description: `${values.title} 항목이 ${formatWithCommas(cleanAmount)}원으로 수정되었습니다.`,
+    });
   };
 
   const handleDelete = () => {
+    // 컨텍스트를 통해 트랜잭션 삭제
+    deleteTransaction(transaction.id);
+    
+    // 부모 컴포넌트의 onDelete 콜백이 있다면 호출
     if (onDelete) {
       onDelete(transaction.id);
-      onOpenChange(false);
-      
-      toast({
-        title: "지출이 삭제되었습니다",
-        description: `${transaction.title} 항목이 삭제되었습니다.`,
-      });
     }
+    
+    onOpenChange(false);
+    
+    toast({
+      title: "지출이 삭제되었습니다",
+      description: `${transaction.title} 항목이 삭제되었습니다.`,
+    });
   };
   
   return (
@@ -83,7 +104,7 @@ const TransactionEditDialog: React.FC<TransactionEditDialogProps> = ({
             <TransactionFormFields form={form} />
             
             <DialogFooter className="flex justify-between gap-2 mt-6">
-              {onDelete && <TransactionDeleteAlert onDelete={handleDelete} />}
+              <TransactionDeleteAlert onDelete={handleDelete} />
               <div className="flex gap-2">
                 <DialogClose asChild>
                   <Button type="button" variant="outline">취소</Button>