It fixes the remaining stale test and keeps the actual N+1 strategy:

* Main ticket index renders scalar agent_name.
* Ticket index still eager-loads user, owner, agent.
* Ticket show comments no longer eager-load fake owner / agent relations.
* Updated the conflicting regression tests.

Modules/Helpdesk/Livewire/TicketShow.php

@@ -365,7 +365,7 @@ final class TicketShow extends Component
             ->when(! $this->canSeeInternalNotes(), static function ($query): void {
                 $query->where('is_internal', false);
             })
-            ->with(['user.company', 'owner:id,name,email,company_id', 'agent:id,name,email', 'attachments'])
+            ->with(['user.company', 'attachments'])
             ->oldest()
             ->get();