Salva telemetria client (OS, app, device, operatore) sulle sessioni per il debug admin.

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

backend/app/services/sessions/create.rb

@@ -26,6 +26,7 @@ module Sessions
         target_fps: @params[:target_fps] || 30,
         status: "idle"
       )
+      Sessions::ApplyClientInfo.call(session, @params[:client])
 
       youtube_channel = nil
       if session.platform == "youtube"
@@ -46,8 +47,11 @@ module Sessions
           {
             created: true,
             platform: session.platform,
-            stream_node: session.stream_node&.slug
-          }
+            stream_node: session.stream_node&.slug,
+            client_os: session.client_os,
+            app_version: session.app_version,
+            device_model: session.device_model
+          }.compact
         )
       end