AI Implementation feature(893): Admin Area General Settings and Categories 1.11 (#33)

docs/index.md

@@ -11,7 +11,7 @@ scoreboard, an event window with a public countdown, theming, and admin
 controls.
 
 The docs below are organized by purpose so agents can pull just the slice
-they need. Last regenerated 2026-07-22T16:15:00Z.
+they need. Last regenerated 2026-07-22T16:44:54Z.
 
 # Architecture
 
@@ -31,6 +31,10 @@ they need. Last regenerated 2026-07-22T16:15:00Z.
 * [User Table](/database/users.md) - `user` table schema and seed behavior.
 * [Challenge Tables](/database/challenges.md) - `category`, `challenge`,
   `challenge_file`, `solve` tables.
+* [Category Repair Migration](/database/category-repair-migration.md) -
+  Forward-only migration that adds `created_at`/`updated_at` to legacy
+  `category` tables and reconciles system rows to the canonical
+  CRY/HW/MSC/PWN/REV/WEB set.
 * [Auth and Settings Tables](/database/auth-settings.md) - `refresh_token`
   and `setting` tables.
 * [Blog Post Table](/database/blog-posts.md) - `blog_post` table.