Update pages/index.tsx

pages/index.tsx

@@ -40,6 +40,19 @@ export default function Index() {
     fetcher,
     { refreshInterval: 5000 }
   )
+  // ✅ PWA: Register Service Worker
+  useEffect(() => {
+    if (typeof window !== "undefined" && "serviceWorker" in navigator) {
+      navigator.serviceWorker
+        .register("/sw.js")
+        .then(() => {
+          console.log("Service Worker registered")
+        })
+        .catch(() => {
+          // silent fail (HF / first load)
+        })
+    }
+  }, [])
 
   useEffect(() => {
     if (typeof window !== "undefined") {