[gemini] Feat: Re-implement Service Worker and PWA Manifest (#485) (#491)

index.html

@@ -23,6 +23,7 @@
 <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
 <link href="https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;600;700&family=Orbitron:wght@400;500;600;700;800;900&display=swap" rel="stylesheet">
 <link rel="stylesheet" href="./style.css">
+<link rel="manifest" href="manifest.json">
 <script type="importmap">
 {
   "imports": {
@@ -172,6 +173,20 @@
 
 <script type="module" src="./app.js"></script>
 
+<script>
+  if ('serviceWorker' in navigator) {
+    window.addEventListener('load', () => {
+      navigator.serviceWorker.register('/service-worker.js')
+        .then(registration => {
+          console.log('Service Worker registered: ', registration);
+        })
+        .catch(error => {
+          console.log('Service Worker registration failed: ', error);
+        });
+    });
+  }
+</script>
+
 <!-- Live Refresh: polls Gitea for new commits on main, reloads when SHA changes -->
 <div id="live-refresh-banner" style="
   display:none; position:fixed; top:0; left:0; right:0; z-index:9999;