Remove deprecated agent files and add new architecture, contract, and feature documentation for the Reader Suite

FEATURES.md

@@ -0,0 +1,35 @@
+# Features - Reader Web
+
+Trang thai tinh nang cho web app `reader`.
+
+## Guest
+
+| Feature | Status | Notes |
+|---|---|---|
+| Home boards / browse | done | Goi API browse, hot/recommendation sections |
+| Genre listing/detail | done | `/api/genres`, `/api/novels/browse` |
+| Search + suggest | partial | Suggest da co web, can tiep tuc canh edge cases |
+| Novel detail + chapter list | done | Chi tiet + comment/thread load |
+
+## User
+
+| Feature | Status | Notes |
+|---|---|---|
+| Google login (NextAuth) | done | Session cookie auth |
+| Bookmark CRUD | done | Qua `/api/user/bookmarks` |
+| Reading progress sync | partial | Co call API, can them parity checks |
+| Reading settings | done | `/api/user/settings` |
+| Comment on novel/chapter | done | `/api/truyen/{id}/comments` |
+| Rating | done | `/api/truyen/{id}/rate` |
+| Recommendations | done | `/api/user/recommendations` |
+
+## MOD/ADMIN
+
+| Feature | Status | Notes |
+|---|---|---|
+| MOD dashboard/workflows | partial | Mot phan route mod da co, tiep tuc bo sung |
+
+## Dependencies
+
+- Contract: `reader/CONTRACT.md`
+- Mapping: `reader/CROSS_REPO_ENDPOINT_MATRIX.md`