Add guest policy settings

app/Http/Controllers/Api/Tenant/EventGuestNotificationController.php

@@ -9,6 +9,7 @@ use App\Http\Requests\Tenant\BroadcastGuestNotificationRequest;
 use App\Http\Resources\Tenant\GuestNotificationResource;
 use App\Models\Event;
 use App\Models\GuestNotification;
+use App\Models\GuestPolicySetting;
 use App\Services\GuestNotificationService;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Http\Request;
@@ -55,6 +56,11 @@ class EventGuestNotificationController extends Controller
         $expiresAt = null;
         if (! empty($data['expires_in_minutes'])) {
             $expiresAt = now()->addMinutes((int) $data['expires_in_minutes']);
+        } else {
+            $policyTtl = GuestPolicySetting::current()->guest_notification_ttl_hours;
+            if ($policyTtl !== null && $policyTtl > 0) {
+                $expiresAt = now()->addHours((int) $policyTtl);
+            }
         }
 
         $payload = null;