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/client.rb

@@ -74,7 +74,48 @@ module Mediamtx
       set_always_available(session, enabled: true)
     end
 
-      # Slate alwaysAvailable: copertina sullo stesso path quando il telefono è offline.
+    # Garantisce path config + slate: se MediaMTX ha perso la config (restart → all_others),
+    # in pausa non resterebbe nessuno stream verso HLS/YouTube.
+    def ensure_path_with_slate!(session)
+      path = session.mediamtx_path_name
+      response = @conn.get("/v3/config/paths/get/#{CGI.escape(path)}")
+      missing = response.status == 404 ||
+        (response.body.is_a?(Hash) && response.body["error"].present?)
+
+      if missing
+        forget_always_available(path)
+        begin
+          create_path(session)
+        rescue Error
+          # Path creato in parallelo o già presente: forza solo la slate.
+          forget_always_available(path)
+          set_always_available(session, enabled: true)
+        end
+        return true
+      end
+
+      conf = response.body.is_a?(Hash) ? response.body : {}
+      desired = slate_file_path(session)
+      if conf["alwaysAvailable"] == true && conf["alwaysAvailableFile"].to_s == desired.to_s
+        remember_always_available(path, enabled: true)
+        return true
+      end
+
+      forget_always_available(path)
+      set_always_available(session, enabled: true)
+    end
+
+    # Spegnere record solo se attivo: ogni PATCH path ricarica MediaMTX e distrugge i muxer HLS.
+    def disable_recording_if_active!(session)
+      path = session.mediamtx_path_name
+      response = @conn.get("/v3/config/paths/get/#{CGI.escape(path)}")
+      return true unless response.success?
+      return true unless response.body.is_a?(Hash) && response.body["record"] == true
+
+      set_path_recording(session, enabled: false)
+    end
+
+    # Slate alwaysAvailable: copertina sullo stesso path quando il telefono è offline.
     # Resta accesa anche con publisher in onda (MediaMTX usa il publisher se presente).
     def set_always_available(session, enabled:)
       path = session.mediamtx_path_name

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