Expand coupon scope to content categories, document points_deduction as runtime-off like zibll, reject card_pass on content cashier, and pass shop/content context into coupon validate.
Add AKSRT_Vip_Service (GET/POST /pay/vip), activate aksrt_vip_level/expires on
order paid, package UI in credits panel, and deep-link VIP CTA to credits tab.
Allow pay_no_logged_in cash content orders (user_id=0), set aksrt_pay_* cookies
on paid, accept cookie in access state, and expose guest CTA on paywall/box.
Bump content sales on resource order paid; show order number/time in download
box; poll pending gateway payments; support download_limit_over_price overbuy.