env('LICENSE_SERVER_URL', 'https://tmitstore.top/license/validator.php'), 'secret' => env('LICENSE_SECRET', 'TMIT_LIC_SECRET_2024_K9mPxZvR'), 'cache_hours' => (int) env('LICENSE_CACHE_HOURS', 24), 'grace_hours' => (int) env('LICENSE_GRACE_HOURS', 72), ];