Add order user/payment filters, income/rebate user_id filter, posts list pay_type dropdown, topic virtual_sales/coupon meta, and forum unlock facade methods used by hidecontent/payshow.
Phase 2b fills shipping, after-sale, coupons, income, and rebate PHP admin pages under 支付中心, reusing domain services. Phase 3 adds zibll-style users.php submenus for messages, invite codes, identity verify, and report/ban queues with admin notices for pending work.