env('DHL_BASE_URL', 'https://api-eu.dhl.com'), 'api_key' => env('DHL_API_KEY'), 'username' => env('DHL_USERNAME'), 'password' => env('DHL_PASSWORD'), 'billing_number' => env('DHL_BILLING_NUMBER'), 'default_product' => env('DHL_PRODUCT', 'V01PAK'), 'label_format' => env('DHL_LABEL_FORMAT', 'PDF'), 'profile' => env('DHL_PROFILE', 'STANDARD_GRUPPENPROFIL'), 'webhook' => ['enabled' => env('DHL_WEBHOOK_ENABLED', false), 'secret' => env('DHL_WEBHOOK_SECRET'), 'route' => env('DHL_WEBHOOK_ROUTE', 'dhl/webhooks/tracking')], 'use_queue' => env('DHL_USE_QUEUE', false), // Set to true to enable queue jobs for async processing ];