Stabilizza regia, live web e sync punteggi app nativa.

Corregge scadenza token regia oltre le 8h, tabellone HTML sulla pagina live,
pulsanti pausa/ripresa in regia, link admin e broadcast ActionCable diretto.
App Android: overlay branding, sync score da regia via WebSocket con reconnect e poll.

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

backend/app/helpers/admin_helper.rb

@@ -19,4 +19,22 @@ module AdminHelper
     mins = minutes % 60
     hours.positive? ? "#{hours}h #{mins}m" : "#{mins} min"
   end
+
+  def admin_session_watch_links(session)
+    links = []
+    if session.matchlivetv_platform?
+      links << { label: "Pagina live", url: session.watch_page_url }
+    end
+    youtube = session.youtube_watch_url
+    links << { label: "YouTube", url: youtube } if youtube.present?
+    links
+  end
+
+  def admin_regia_expires_label(iso_time)
+    return if iso_time.blank?
+
+    Time.zone.parse(iso_time).strftime("%d/%m/%Y %H:%M")
+  rescue ArgumentError, TypeError
+    nil
+  end
 end