Podcast: built-in screen for Podgrab (shows, episodes, playback, search)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

public/audiobooks.js

@@ -19,18 +19,6 @@ function showFrame(key, url, title, allow) {
   wrap.className = 'on'; document.body.classList.add('onaudio');
 }
 
-// Podcast: opens in a frame when it has a secure (https) address; a plain-http address cannot be framed by a secure page.
-// Podcast: a plain-http address on the home network. A secure page cannot frame http content, and the address is
-// private to the LAN, so this opens it directly in the browser (which works on the home network or over a VPN).
-function viewPodcast() {
-  const url = cfg.podcast, u = new URL(url), canFrame = u.protocol === 'https:';
-  $('#view').innerHTML = `<div class="wrap"><h1>Podcast</h1><p class="sub">${esc(u.host)}</p>
-    <div class="bar" style="margin-bottom:0"><a class="btn" href="${esc(url)}" target="_blank" rel="noopener">Open in new tab</a></div>
-    ${canFrame ? '<p class="sub" style="margin:8px 0 0">If the page below stays blank, the app does not allow being shown inside another app. Use Open in new tab.</p>'
-      : '<div class="card" style="max-width:none;margin-top:12px"><p style="margin:0">This is a plain <b>http</b> address, which a secure page cannot show inside itself. It opens in its own tab, and works at home or on your VPN.</p></div>'}</div>`;
-  if (canFrame) showFrame('podcast', url, 'Podcast', 'autoplay; fullscreen; picture-in-picture; clipboard-write');
-}
-
 // The frame is created once and kept alive, so playback carries on while you use other tabs.
 // It loads /api/audiobooks/enter, where the server adds the site's secret sign-in link itself (the key never reaches this page).
 const ENTER = '/api/audiobooks/enter';