Visibilità pubblico/link-only su tutte le piattaforme di streaming.

Default pubblico; opzione unica privato/non in elenco per Match Live TV,
YouTube piattaforma e canale società. Elenco dirette solo sessioni pubbliche.

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

mobile/lib/shared/models/stream_session.dart

@@ -13,7 +13,7 @@ class StreamSession {
     this.shareUrl,
     this.youtubeWatchUrl,
     this.youtubeBroadcastId,
-    this.privacyStatus = 'unlisted',
+    this.privacyStatus = 'public',
     this.qualityPreset = '720p_30_2.5mbps',
     this.targetBitrate = 2500000,
     this.startedAt,
@@ -62,7 +62,7 @@ class StreamSession {
       shareUrl: json['share_url'] as String?,
       youtubeWatchUrl: json['youtube_watch_url'] as String?,
       youtubeBroadcastId: json['youtube_broadcast_id'] as String?,
-      privacyStatus: json['privacy_status'] as String? ?? 'unlisted',
+      privacyStatus: json['privacy_status'] as String? ?? 'public',
       qualityPreset: json['quality_preset'] as String? ?? '720p_30_2.5mbps',
       targetBitrate: json['target_bitrate'] as int? ?? 2500000,
       startedAt: json['started_at'] != null