Fix data display issues

Addresses issues where budget and expense data were not displaying correctly on the summary cards, category bar graph, and transaction/analytics pages. Also fixes a bug where data was disappearing after input.

src/contexts/budget/hooks/useTransactionState.ts

@@ -16,23 +16,32 @@ export const useTransactionState = () => {
   useEffect(() => {
     const loadTransactions = () => {
       const storedTransactions = loadTransactionsFromStorage();
+      console.log('트랜잭션 로드됨:', storedTransactions.length, '개');
       setTransactions(storedTransactions);
     };
 
     loadTransactions();
 
     // 이벤트 리스너를 추가하여 다른 컴포넌트에서 변경 시 업데이트
-    const handleTransactionUpdate = () => loadTransactions();
+    const handleTransactionUpdate = () => {
+      console.log('트랜잭션 업데이트 이벤트 감지');
+      loadTransactions();
+    };
+    
     window.addEventListener('transactionUpdated', handleTransactionUpdate);
     window.addEventListener('transactionDeleted', handleTransactionUpdate);
     window.addEventListener('transactionAdded', handleTransactionUpdate);
     window.addEventListener('storage', handleTransactionUpdate);
     
+    // 페이지 포커스 시 데이터 갱신
+    window.addEventListener('focus', handleTransactionUpdate);
+    
     return () => {
       window.removeEventListener('transactionUpdated', handleTransactionUpdate);
       window.removeEventListener('transactionDeleted', handleTransactionUpdate);
       window.removeEventListener('transactionAdded', handleTransactionUpdate);
       window.removeEventListener('storage', handleTransactionUpdate);
+      window.removeEventListener('focus', handleTransactionUpdate);
     };
   }, []);