Rendi affidabile pausa con slate e conferma i controlli laterali.

Evita buchi HLS/YouTube in pausa (path slate ricreata, reload player, no patch recording inutili) e richiede conferma su tasti laterali app/regia.

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

backend/app/services/mediamtx/publisher_sync.rb

@@ -79,9 +79,8 @@ module Mediamtx
     end
 
     def restore_slate_path!(session)
-      return if session.platform == "matchlivetv"
-
-      Client.for_session(session).set_always_available(session, enabled: true)
+      # Anche su matchlivetv: dopo restart MediaMTX la path può cadere su all_others senza slate.
+      Client.for_session(session).ensure_path_with_slate!(session)
     rescue Client::Error => e
       Rails.logger.warn("[PublisherSync] enable slate session=#{session.id}: #{e.message}")
     end
@@ -146,6 +145,14 @@ module Mediamtx
       nil
     end
 
+    def self.remember_recording_off!(session_id)
+      redis = Redis.new(url: ENV.fetch("REDIS_URL", "redis://localhost:6379/0"))
+      redis.set("mediamtx:recording:#{session_id}", "0", ex: 48.hours.to_i)
+      redis.set(format("mediamtx:recording:patched_at:%s", session_id), Time.current.to_i, ex: 48.hours.to_i)
+    rescue Redis::BaseError
+      nil
+    end
+
     def recording_state_key(session_id)
       "mediamtx:recording:#{session_id}"
     end