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Separa i canali app e mostra il nodo ingest nelle sessioni admin.

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

backend/app/controllers/admin/sessions_controller.rb

@@ -1,11 +1,11 @@
 module Admin
   class SessionsController < Admin::BaseController
     def index
-      @sessions = StreamSession.includes(:match, :user).order(created_at: :desc).limit(50)
+      @sessions = StreamSession.includes(:stream_node, :user, match: :team).order(created_at: :desc).limit(50)
     end
 
     def show
-      @session = StreamSession.find(params[:id])
+      @session = StreamSession.includes(:stream_node, match: :team).find(params[:id])
       @events = @session.stream_events.recent.limit(50)
     end