autodetect cron script path

app/Views/settings/index.php

@@ -403,7 +403,7 @@ foreach ($notificationPresets as $key => $preset) {
                     Recommended Crontab Entry
                 </h4>
                 <div class="bg-gray-900 text-gray-100 px-4 py-3 rounded-lg font-mono text-sm break-all">
-                    <code>0 */<?= $currentCheckInterval ?> * * * php /path/to/cron/check_domains.php</code>
+                    <code>0 */<?= $currentCheckInterval ?> * * * php <?= realpath(PATH_ROOT . 'cron/check_domains.php') ?></code>
                 </div>
                 <p class="text-xs text-gray-500 mt-2">Update the path to match your server installation</p>
             </div>

public/index.php

@@ -6,6 +6,8 @@ use Core\Application;
 use Core\Router;
 use Dotenv\Dotenv;
 
+define('PATH_ROOT', __DIR__ . '/../');
+
 // Load environment variables
 $dotenv = Dotenv::createImmutable(__DIR__ . '/..');
 $dotenv->load();