YouTube come destinazione pubblica, non Match Live TV.

Non propone più il link MLTV per sessioni YouTube; la pagina /live
reindirizza a YouTube; il relay verso YouTube si riavvia al connect.

Co-authored-by: Cursor <cursoragent@cursor.com>

mobile/lib/providers/session_provider.dart

@@ -47,6 +47,38 @@ class SessionNotifier extends StateNotifier<SessionState> {
     state = state.copyWith(session: session, match: match);
   }
 
+  void updateYoutubeLinks({
+    required String? youtubeWatchUrl,
+    required String? shareUrl,
+    String? youtubeBroadcastId,
+    bool youtubeReady = true,
+  }) {
+    final s = state.session;
+    if (s == null || s.platform != 'youtube') return;
+    state = state.copyWith(
+      session: StreamSession(
+        id: s.id,
+        matchId: s.matchId,
+        status: s.status,
+        platform: s.platform,
+        rtmpIngestUrl: s.rtmpIngestUrl,
+        hlsPlaybackUrl: s.hlsPlaybackUrl,
+        watchPageUrl: s.watchPageUrl,
+        shareUrl: shareUrl,
+        youtubeWatchUrl: youtubeWatchUrl,
+        youtubeBroadcastId: youtubeBroadcastId ?? s.youtubeBroadcastId,
+        youtubeReady: youtubeReady,
+        privacyStatus: s.privacyStatus,
+        qualityPreset: s.qualityPreset,
+        targetBitrate: s.targetBitrate,
+        startedAt: s.startedAt,
+        disconnectionCount: s.disconnectionCount,
+        score: s.score,
+        devices: s.devices,
+      ),
+    );
+  }
+
   void setMatch(MatchModel match) {
     state = state.copyWith(match: match);
   }
@@ -91,6 +123,7 @@ class SessionNotifier extends StateNotifier<SessionState> {
           shareUrl: s.shareUrl,
           youtubeWatchUrl: s.youtubeWatchUrl,
           youtubeBroadcastId: s.youtubeBroadcastId,
+          youtubeReady: s.youtubeReady,
           privacyStatus: s.privacyStatus,
           qualityPreset: s.qualityPreset,
           targetBitrate: s.targetBitrate,
@@ -133,7 +166,10 @@ class SessionNotifier extends StateNotifier<SessionState> {
           rtmpIngestUrl: session.rtmpIngestUrl,
           hlsPlaybackUrl: session.hlsPlaybackUrl,
           watchPageUrl: session.watchPageUrl,
+          shareUrl: session.shareUrl,
+          youtubeWatchUrl: session.youtubeWatchUrl,
           youtubeBroadcastId: session.youtubeBroadcastId,
+          youtubeReady: session.youtubeReady,
           privacyStatus: session.privacyStatus,
           qualityPreset: session.qualityPreset,
           targetBitrate: session.targetBitrate,