Merge branch 'feature/stream-audio-mute' into collaudo

Integra il mute del microfono in diretta per il collaudo.

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

backend/app/controllers/api/v1/stream_sessions_controller.rb

@@ -34,6 +34,12 @@ module Api
         render json: session_json(@session)
       end
 
+      def audio_mute
+        muted = params.key?(:muted) ? params[:muted] : true
+        Sessions::SetAudioMute.new(@session, muted: muted).call
+        render json: session_json(@session)
+      end
+
       def score
         Scoring::SyncState.new(session: @session, payload: score_sync_params).call
         render json: session_json(@session, detail: true)
@@ -190,7 +196,8 @@ module Api
           quality_preset: session.quality_preset,
           target_bitrate: session.target_bitrate,
           started_at: session.started_at,
-          disconnection_count: session.disconnection_count
+          disconnection_count: session.disconnection_count,
+          audio_muted: session.audio_muted
         }
         if detail
           data[:score] = session.score_state&.as_cable_payload