feat: add live epg panel to collections

Entire-Checkpoint: c2cea9c530e6

docs/architecture/iptvnator-ui-guidelines.md

@@ -129,14 +129,15 @@ The shared row should be reused instead of rebuilding channel markup per view.
 ### Collapsible Live EPG
 
 - Live TV layouts with an internal player use `app-live-epg-panel` around the
-  EPG content.
+  EPG content, including playlist-specific live pages and the global
+  favorites/recent live tabs.
 - The live panel toolbar owns the current-program summary and live date
   navigation together, so `app-epg-list` hides its internal date navigator when
   projected inside that panel.
 - Collapsed state is shared across M3U, Xtream, and Stalker with
   `live-epg-panel-state`; missing or invalid values restore to expanded.
 - The collapsed panel is a slim current-program strip with a trailing progress
-  line, an expand button, and a compact date chip.
+  line and an expand button. Date controls stay out of the collapsed strip.
 - Do not render the collapsed strip for external MPV/VLC playback; those
   layouts keep the full EPG-only panel.
 - Keep the EPG content mounted while collapsed so current-program state can