Wire zibll-style one-shot points/cash cashier for post+_aksrt_pay downloads: server amount from aksrt_get_user_pay_price, ORDER_PRODUCT_RESOURCE unlock, frontend need-purchase opens modal, download box purchased/VIP/purchase CTAs.
Rewrite captcha core around aksrt_captcha_config only, require captcha on login/comment/SMS/phone auth and related gates, wire frontend token collection, and remove dead dual-source security settings plus slider enqueue.