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/features/setup_wizard/step_network_test.dart

@@ -45,6 +45,7 @@ class _StepNetworkTestState extends ConsumerState<StepNetworkTest> {
   int _latencyMs = 0;
   String _networkType = '—';
   bool _starting = false;
+  Timer? _youtubePoll;
 
   @override
   void initState() {
@@ -54,6 +55,45 @@ class _StepNetworkTestState extends ConsumerState<StepNetworkTest> {
       if (session?.score != null) {
         ref.read(scoreProvider.notifier).reset(session!.score!);
       }
+      _startYoutubeLinkPoll();
+    });
+  }
+
+  @override
+  void dispose() {
+    _youtubePoll?.cancel();
+    super.dispose();
+  }
+
+  void _startYoutubeLinkPoll() {
+    final session = ref.read(sessionProvider).session;
+    if (session == null || session.platform != 'youtube') return;
+    if (session.youtubeReady || (session.youtubeWatchUrl?.isNotEmpty ?? false)) {
+      return;
+    }
+
+    _youtubePoll?.cancel();
+    var attempts = 0;
+    _youtubePoll = Timer.periodic(const Duration(seconds: 2), (_) async {
+      attempts++;
+      if (!mounted || attempts > 30) {
+        _youtubePoll?.cancel();
+        return;
+      }
+      final current = ref.read(sessionProvider).session;
+      if (current == null) return;
+      try {
+        final updated =
+            await ref.read(apiClientProvider).fetchSession(current.id);
+        ref
+            .read(sessionProvider.notifier)
+            .setSession(updated, match: ref.read(sessionProvider).match);
+        if (updated.youtubeReady ||
+            (updated.youtubeWatchUrl?.isNotEmpty ?? false)) {
+          _youtubePoll?.cancel();
+          if (mounted) setState(() {});
+        }
+      } catch (_) {}
     });
   }
 
@@ -240,6 +280,24 @@ class _StepNetworkTestState extends ConsumerState<StepNetworkTest> {
             ),
             const SizedBox(height: 12),
           ],
+          if (_testCompleted &&
+              session != null &&
+              session.platform == 'youtube' &&
+              shareUrl == null) ...[
+            Container(
+              padding: const EdgeInsets.all(14),
+              decoration: BoxDecoration(
+                color: AppTheme.surfaceElevated,
+                borderRadius: BorderRadius.circular(10),
+              ),
+              child: Text(
+                'Preparazione diretta sul canale YouTube Match Live TV… '
+                'Il link apparirà qui tra pochi secondi.',
+                style: theme.textTheme.bodySmall,
+              ),
+            ),
+            const SizedBox(height: 8),
+          ],
           if (_testCompleted && session != null && shareUrl != null) ...[
             Container(
               padding: const EdgeInsets.all(14),
@@ -252,7 +310,7 @@ class _StepNetworkTestState extends ConsumerState<StepNetworkTest> {
                 children: [
                   Text(
                     session.platform == 'youtube'
-                        ? 'Link video YouTube'
+                        ? 'Link diretta YouTube (canale Match Live TV)'
                         : 'Link diretta Match Live TV',
                     style: theme.textTheme.titleSmall,
                   ),
@@ -261,6 +319,13 @@ class _StepNetworkTestState extends ConsumerState<StepNetworkTest> {
                     shareUrl,
                     style: theme.textTheme.bodySmall,
                   ),
+                  if (session.platform == 'youtube') ...[
+                    const SizedBox(height: 6),
+                    Text(
+                      'Condividi solo questo link: gli spettatori guardano su YouTube, non sul sito.',
+                      style: theme.textTheme.bodySmall,
+                    ),
+                  ],
                   const SizedBox(height: 8),
                   Row(
                     children: [