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

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

public/index.html

@@ -65,6 +65,7 @@
 <script src="/calendar.js"></script>
 <script src="/tasks.js"></script>
 <script src="/audiobooks.js"></script>
+<script src="/podcast-view.js"></script>
 <script src="/music.js"></script>
 <script src="/video.js"></script>
 <script src="/office.js"></script>