encoach.jwt_secret CHANGE_ME_IN_PRODUCTION_RANDOM_256_BIT_STRING encoach.jwt_expiry_hours 72 encoach.openai_api_key encoach.aws_access_key_id encoach.aws_secret_access_key encoach.elai_token encoach.gptzero_api_key encoach.stripe_secret_key encoach.stripe_webhook_secret encoach.paypal_client_id encoach.paypal_client_secret encoach.paymob_api_key