sam-api/app/Observers/TenantObserver.php

<?php

namespace App\Observers;

use App\Models\Tenants\Tenant;
use App\Services\TenantBootstrapper;

class TenantObserver
{
    public function created(Tenant $tenant): void
    {
        app(TenantBootstrapper::class)->bootstrap((int) $tenant->id, 'STANDARD');
    }
}