feat : 리뷰 사항 반영

Author: layout-SY

src/components/common/header/Header.tsx

@@ -42,7 +42,9 @@ function Header() {
     : DefaultImg;
 
   useEffect(() => {
-    testLiveAlarm();
+    if (process.env.NODE_ENV === 'deployment') {
+      testLiveAlarm();
+    }
   }, []);
 
   return (

src/hooks/user/useNotification.ts

@@ -63,7 +63,14 @@ const useNotification = () => {
         console.error(e);
       };
     }
-  }, [queryClient, userId]);
+
+    return () => {
+      if (eventSourceRef.current) {
+        eventSourceRef.current.close();
+        eventSourceRef.current = null;
+      }
+    };
+  }, [queryClient, userId, accessToken]);
 };
 
 export default useNotification;