feat(forum,admin): plate follow-pay MVP, sales column, order type tabs

Wire paid plate follow (admin meta + points/balance purchase + AJAX),
re-check plate gate on topics, post list sales column, and order type
subtabs; update gap matrix and admin IA map.

docs/admin-ia-map.md

@@ -27,6 +27,7 @@ Do **not** reintroduce operational workbenches into the SPA once native pages sh
 支付中心 (aksrt_pay)                         pos ~36–38, dashicons-cart
 ├─ 概览              aksrt_pay
 ├─ 订单              aksrt_orders
+├─ 付费文章          aksrt_pay_products
 ├─ 发货及物流        aksrt_shipping
 ├─ 售后管理          aksrt_after_sale
 ├─ 优惠码            aksrt_coupons

docs/zibll-gap-matrix.md

@@ -99,8 +99,8 @@ Note: zibll「商品管理」`zibpay_product_page` is **paid article sales**, no
 | 2b Shipping/after-sale/coupons/income/rebate | done |
 | 3 users.php submenus | done |
 | 4 SPA strip | done (ops routes redirect to native) |
-| 5+ behavior parity | done — native ops shell modularized (orders/shipping/after-sale/coupons/charge-cards/income/rebate/withdraw) + plate moderator roles/advanced limits/icon/sort + coupon product_scope create/edit/batch + paid-post sales report (`aksrt_pay_products`) + topic pay/points visibility admin/runtime alignment |
-| 5 remaining | plate follow-pay (zibll paid follow) still optional; topic-level pay/points/hide-part done |
+| 5+ behavior parity | done — native ops shell modularized (orders/shipping/after-sale/coupons/charge-cards/income/rebate/withdraw) + plate moderator roles/advanced limits/icon/sort + coupon product_scope create/edit/batch + paid-post sales report (`aksrt_pay_products`) + topic pay/points visibility admin/runtime alignment + plate follow-pay MVP + post list sales column + order type tabs + topic plate re-check |
+| 5 remaining | download-log admin page; topic VIP1/2 full matrix; hidecontent shortcode partial-hide; users commerce columns |
 
 ## Dual-UI rule