Merge origin/master into the programme guide branch

Adopts the compact icon-only timeline toolbar (#1557): the Guide button is
now an icon-only `epg-timeline__iconbtn` with its label in the tooltip and
aria-label, so the unused EPG.TIMELINE.GUIDE key is dropped from all locales.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

libs/shared/interfaces/src/lib/portal-playback.interface.ts

@@ -10,6 +10,8 @@ export interface PlayerContentInfo extends Omit<
 
 export interface ResolvedPortalPlayback {
     streamUrl: string;
+    /** Source-owner supplied, advertised TS alternative for Xtream live Auto only. */
+    liveAutoTsUrl?: string;
     title: string;
     thumbnail?: string | null;
     isLive?: boolean;