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/controllers/public/regia_controller.rb

@@ -6,7 +6,7 @@ module Public
     layout "regia"
 
     protect_from_forgery with: :null_session
-    skip_before_action :verify_authenticity_token, only: %i[score pause stop]
+    skip_before_action :verify_authenticity_token, only: %i[score pause resume stop]
 
     before_action :set_session_from_token
 
@@ -44,6 +44,13 @@ module Public
       render json: status_payload
     end
 
+    def resume
+      Sessions::Resume.new(@session).call
+      render json: status_payload
+    rescue Teams::EntitlementError => e
+      render json: status_payload.merge(error: e.message), status: :unprocessable_entity
+    end
+
     def stop
       Sessions::Stop.new(@session).call
       render json: status_payload
@@ -55,8 +62,7 @@ module Public
       @session = Sessions::RegiaAccess.find_session_by_token(params[:token])
       return if @session
 
-      render file: Rails.root.join("public/404.html"), status: :not_found, layout: false
-      throw :abort
+      head :not_found
     end
 
     def status_payload