refactor: remove forum and topic feature chains

tools/admin-contract-map.md

@@ -31,7 +31,6 @@ Exit code `1` means hard contract errors.
 | extensions | `AKSRT_Admin_Schema_Extensions` | `extensions.js` |
 | tools | `AKSRT_Admin_Schema_Tools` | `tools.js` |
 | shop | `AKSRT_Admin_Schema_Shop` | `shop.js` |
-| forum | `AKSRT_Admin_Schema_Forum` | `forum.js` |
 
 ## Known custom pages (not schema REST)
 

tools/adr-classes-domain-placement.md

@@ -19,7 +19,6 @@ Domain folders were frozen after the root→domain move. Theme types then migrat
 | User center/home/badges/level/metrics/notifications/follow | `User` | Account surface |
 | Credits, balance wallet, signin, invite, points-free | `Credits` | Points + cash wallet |
 | Download tokens/state, content pay, VIP, visibility | `Content` | Post-centric paid content |
-| Topic pay, plate follow pay | `Forum` | Forum SKUs (not generic content pay) |
 | Orders, gateways, coupon, charge-card, revenue, creator-revenue, withdrawal, rebate, discount, after-sale, shipping, wechat-notify | `Payment` | Commerce + settlement |
 | Shop services/meta/reviews | `Shop` | Product catalog / cart |
 | SMS stack | `Sms` | Messaging channel |

tools/audit-admin-contracts.php

@@ -52,7 +52,6 @@ function collect_php_schema_sections(string $themeRoot): array {
         'extensions'   => $themeRoot . '/src/Admin/Schema/SchemaExtensions.php',
         'tools'        => $themeRoot . '/src/Admin/Schema/SchemaTools.php',
         'shop'         => $themeRoot . '/src/Admin/Schema/SchemaShop.php',
-        'forum'        => $themeRoot . '/src/Admin/Schema/SchemaForum.php',
     ];
 
     foreach ($primary as $domain => $file) {