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/config/routes.rb

@@ -85,7 +85,10 @@ Rails.application.routes.draw do
       resources :billing_invoices, only: %i[index new create edit update], controller: "billing_invoices"
     end
     resources :sessions, only: %i[index show] do
-      member { post :stop }
+      member do
+        post :stop
+        post :regia_link
+      end
     end
     get "youtube/platform", to: "youtube#platform", as: :youtube_platform
   end
@@ -105,6 +108,7 @@ Rails.application.routes.draw do
   get "regia/:token/status.json", to: "public/regia#status", as: :public_regia_status
   patch "regia/:token/score", to: "public/regia#score", as: :public_regia_score
   post "regia/:token/pause", to: "public/regia#pause", as: :public_regia_pause
+  post "regia/:token/resume", to: "public/regia#resume", as: :public_regia_resume
   post "regia/:token/stop", to: "public/regia#stop", as: :public_regia_stop
 
   root to: "public/pages#home"