refactor: 피드백 반영

Author: dib3474

src/App.tsx

@@ -6,8 +6,8 @@ import { ReactQueryDevtools } from '@tanstack/react-query-devtools';
 import { AuthProvider } from '@/context/AuthContext';
 import { ToastContainer } from 'react-toastify';
 import { ErrorBoundary } from 'react-error-boundary';
-import ErrorComponent from './components/error/ErrorComponent';
-import { WebSocketProvider } from './context/WebSocketContext';
+import ErrorComponent from '@/components/error/ErrorComponent';
+import { WebSocketProvider } from '@/context/WebSocketContext';
 
 const App = () => {
   return (

src/context/WebSocketContext.tsx

@@ -177,7 +177,11 @@ export const WebSocketProvider: React.FC<WebSocketProviderProps> = ({ children }
       pendingDisconnectTimerRef.current = window.setTimeout(async () => {
         pendingDisconnectTimerRef.current = null;
         if (destinationEntriesRef.current.size === 0) {
-          await disconnect();
+          try {
+            await disconnect();
+          } catch {
+            showToastErrorMessage(SYSTEM_MESSAGES.DEFAULT_ERROR_MESSAGES.NETWORK_ERROR);
+          }
         }
       }, NO_SUBS_GRACE_MS);
     }

src/hooks/useChatRead.ts

@@ -59,7 +59,7 @@ const useChatRead = () => {
   }, [connectWebSocket, subscribe, onUnread, onRead]);
 
   useEffect(() => {
-    initializeConnection();
+    void initializeConnection();
 
     return () => {
       unsubscribe(UNREAD_TOPIC);