Fix toast and data display issues

- Fixes an issue where toast notifications would not automatically dismiss.
- Addresses a problem where expense data was not displaying correctly on the transaction and analytics screens.

src/hooks/useTransactions.ts

@@ -33,6 +33,7 @@ export const useTransactions = () => {
   const [error, setError] = useState<string | null>(null);
   const [totalBudget, setTotalBudget] = useState(0);
   const { user } = useAuth();
+  const [refreshKey, setRefreshKey] = useState(0); // 강제 새로고침을 위한 키
 
   // 월 변경 처리
   const handlePrevMonth = () => {
@@ -145,7 +146,26 @@ export const useTransactions = () => {
       window.removeEventListener('budgetDataUpdated', handleBudgetUpdate);
       window.removeEventListener('storage', () => {});
     };
-  }, [user]);
+  }, [user, refreshKey]);
+
+  // 정기적으로 데이터 새로고침
+  useEffect(() => {
+    const refreshInterval = setInterval(() => {
+      loadTransactions();
+    }, 5000); // 5초마다 데이터 새로고침
+    
+    // 페이지 포커스 시 새로고침
+    const handleFocus = () => {
+      loadTransactions();
+    };
+    
+    window.addEventListener('focus', handleFocus);
+    
+    return () => {
+      clearInterval(refreshInterval);
+      window.removeEventListener('focus', handleFocus);
+    };
+  }, []);
 
   // 트랜잭션 업데이트
   const updateTransaction = (updatedTransaction: Transaction) => {
@@ -181,6 +201,12 @@ export const useTransactions = () => {
     });
   };
 
+  // 데이터 강제 새로고침
+  const refreshTransactions = () => {
+    setRefreshKey(prev => prev + 1);
+    loadTransactions();
+  };
+
   return {
     transactions: filteredTransactions,
     isLoading,
@@ -194,6 +220,6 @@ export const useTransactions = () => {
     updateTransaction,
     deleteTransaction,
     totalExpenses: calculateTotalExpenses(filteredTransactions),
-    refreshTransactions: loadTransactions
+    refreshTransactions
   };
 };