Fix jsonification of message, try sending reply immediately upon receiving message event

app/routes/_index.tsx

@@ -106,7 +106,7 @@ function TackUpNow({
       {() => (
         <>
           {messages.map((message, index) => (
-            <div key={index}>JSON.stringify(message)</div>
+            <div key={index}>{JSON.stringify(message)}</div>
           ))}
           {isInstalled ? (
             <div>Your Notifications</div>

app/worker.ts

@@ -52,6 +52,10 @@ export default function start(self: ServiceWorkerGlobalScope) {
     const waitEvent = event as ExtendableEvent
     waitEvent.waitUntil(
       (async () => {
+        await sendMessage({
+          message: "Got message",
+        })
+
         if (
           "type" in event &&
           event.type === "subscribed" &&