fix(player): 改为显式清屏交互

lib/l10n/app_localizations_en.dart

@@ -133,6 +133,9 @@ class AppLocalizationsEn extends AppLocalizations {
     return 'Episode $current / $total';
   }
 
+  @override
+  String get clearScreen => 'Clear screen';
+
   @override
   String minutesAgo(int count) {
     return '$count min ago';