Add shared synced lyrics, chapters and personal bookmarks with revision history, API tokens and an admin page

frontend/sw.js

@@ -61,6 +61,8 @@ const SHELL = [
   '/fingerprint.js',
   '/opfs.js',
   '/opfs-worker.js',
+  '/video-edit.js',
+  '/lyrics-core.js',
   '/app.js',
   '/manifest.webmanifest',
   '/icons/icon-192.png',
@@ -143,6 +145,9 @@ self.addEventListener('fetch', (e) => {
   // Only intercept GET/HEAD — let POST (sync endpoint) go through unmodified
   if (request.method !== 'GET' && request.method !== 'HEAD') return;
 
+  // The admin page is online-only and must never be served from a cache.
+  if (url.pathname === '/admin' || url.pathname.startsWith('/admin.')) return;
+
   // API calls and binary downloads → network only, no caching
   if (url.pathname.startsWith('/api/')) {
     e.respondWith(fetch(request));