fixed N+1 issues

Modules/Helpdesk/Services/CannedResponseRenderer.php

@@ -11,7 +11,8 @@ final class CannedResponseRenderer
 {
     public function render(string $template, Ticket $ticket, ?User $actor = null): string
     {
-        $ticket->loadMissing(['user.company', 'owner.company', 'agent.company', 'status', 'priority', 'category', 'project', 'team']);
+        $this->hydrateTicketUsers($ticket);
+        $ticket->loadMissing(['status', 'priority', 'category', 'project', 'team']);
         $actor?->loadMissing('company');
 
         return strtr($template, [
@@ -28,4 +29,42 @@ final class CannedResponseRenderer
             '{{ ticket.url }}' => route('helpdesk.tickets.show', ['ticket' => $ticket->getKey()]),
         ]);
     }
+
+    /**
+     * Load requester/agent with one query if the caller has not already attached them.
+     */
+    private function hydrateTicketUsers(Ticket $ticket): void
+    {
+        if ($ticket->relationLoaded('owner') && $ticket->relationLoaded('agent')) {
+            return;
+        }
+
+        $userIds = collect([$ticket->user_id, $ticket->agent_id])
+            ->filter()
+            ->map(static fn (mixed $id): int => (int) $id)
+            ->unique()
+            ->values();
+
+        if ($userIds->isEmpty()) {
+            $ticket->setRelation('user', null);
+            $ticket->setRelation('owner', null);
+            $ticket->setRelation('agent', null);
+
+            return;
+        }
+
+        $users = User::query()
+            ->with('company')
+            ->whereIn('id', $userIds)
+            ->get()
+            ->keyBy('id');
+
+        $owner = $users->get((int) $ticket->user_id);
+        $agent = $ticket->agent_id === null ? null : $users->get((int) $ticket->agent_id);
+
+        $ticket->setRelation('user', $owner);
+        $ticket->setRelation('owner', $owner);
+        $ticket->setRelation('agent', $agent);
+    }
+
 }