docs: Revise architecture and contract documentation, clarify mobile API behavior, and update import flow details

ARCHITECTURE.md

@@ -26,8 +26,8 @@ Tai lieu nay mo ta vai tro `reader-app` trong he sinh thai doc truyen gom web +
 
 ## Environment va ket noi
 
-- Local API mac dinh: `http://10.0.2.2:8000` (Android emulator).
-- Script `scripts/flutter_run_with_env.sh` la cach chuan de chay local.
+- Khong co `--dart-define`: Android native mac dinh toi `https://reader-api.fevirtus.dev`; cac platform khac `http://localhost:8000` (`lib/core/config/app_config.dart`).
+- Dev local Android emulator: dat `BASE_URL=http://10.0.2.2:8000` trong `.env.mobile` va chay qua `scripts/flutter_run_with_env.sh`.
 - `BASE_URL`, `GOOGLE_SERVER_CLIENT_ID`, `GOOGLE_CLIENT_ID` duoc truyen qua `--dart-define`.
 
 ## Definition of Done (Mobile)

CONTRACT.md

@@ -32,6 +32,7 @@ Tai lieu contract chung cho `reader`, `reader-app`, `reader-api`.
 - `409`: xung dot du lieu.
 - `422`: payload format dung JSON nhung khong dat rule nghiep vu.
 - `500`: loi he thong.
+- `410`: (du tru) tai nguyen da go bo hoac khong con ho tro.
 
 ## Pagination Convention
 

CROSS_REPO_ENDPOINT_MATRIX.md

@@ -26,17 +26,12 @@ Legend:
 | Comment | `GET/POST /api/truyen/{id}/comments` | Y | Y | Y | |
 | Rating | `POST /api/truyen/{id}/rate` | Y | Y | N | Mobile chua thay rating flow |
 | Search | `GET /api/truyen/suggest` | Y | Y | N | Mobile search suggest can bo sung |
-| Import | `GET /api/import/assets/search` | Y | Y | N | Web MOD-only flow |
-| Import | `GET /api/import/assets/{id}/preview-metadata` | Y | Y | N | Web MOD-only flow |
-| Import | `POST /api/import/assets/{id}/ai-suggest` | Y | Y | N | Web MOD-only flow |
-| Import | `POST /api/import/assets/{id}/review` | Y | Y | N | Web MOD-only flow |
-| Import | `POST /api/import/assets/{id}/parse-preview` | Y | Y | N | Web MOD-only flow |
-| Import | `POST /api/import/assets/{id}/start-import` | Y | Y | N | Web MOD-only flow |
-| Import | `GET /api/import/sessions/{sessionId}` | Y | Y | N | Web MOD-only flow |
+| Import | `POST /api/import/uploads/preview` | Y | Y | N | Upload EPUB multipart (preview) |
+| Import | `POST /api/mod/epub`, `POST /api/mod/epub/ai-suggest` | Y | Y | N | Luong `/mod/import` |
+| Import | `GET/POST/PUT/DELETE /api/mod/the-loai` | Y | Y | N | MOD quan ly the loai trong wizard |
 
 ## Priority gaps de dong bo tiep
 
 1. Mobile: `user/settings`, `recommendations`, `rate`, `suggest`.
 2. Web/Mobile chapter-read strategy can unify (`chapters/{id}` vs `by-number`).
 3. Chuan hoa error contract implementation theo `CONTRACT.md`.
-4. Import EPUB is intentionally out of mobile scope.

FLOWS.md

@@ -49,4 +49,4 @@ Muc tieu: mobile follow cung business behavior voi web.
 
 ## Out of Scope (Current)
 
-- EPUB import flow (`/api/import/*`) is MOD-only on web and not planned for mobile client.
+- MOD EPUB import chi tren web (`/mod/import`: `/api/mod/epub`, `POST /api/import/uploads/preview`, …). Mobile khong co wizard import.

README.md

@@ -7,16 +7,11 @@ Flutter mobile app for reading novels, synced with the existing web platform.
 - Full end-user feature parity with the current web app.
 - Excludes all moderator/admin workflows.
 
-## Planned Feature Set
+## Implemented vs planned
 
-- Google login and authenticated user session.
-- Home feed, hot boards, and recommendations.
-- Search with suggestions, genre, status, and sort filters.
-- Novel detail with chapter list and series metadata.
-- Reader with TOC, reading preferences, and progress sync.
-- Bookshelf tabs: Dang doc, Danh dau, Da doc, De cu.
-- Comments, ratings, and user recommendations.
-- Native TTS and offline reading support.
+Đã có trong code (theo `lib/features`): đăng nhập Google, home/browse, genres, tìm kiếm, chi tiết truyện + danh sách chương, reader (kèm TTS), bookshelf, bookmark/progress, bình luận, splash/settings.
+
+Còn thiếu hoặc mới dạng placeholder so với web: gợi ý tìm kiếm (`/api/truyen/suggest`), đánh giá truyện (`/api/truyen/{id}/rate`), đồng bộ settings và đề cử người dùng (`/api/user/settings`, `/api/user/recommendations`). Chi tiết parity xem `FEATURES.md` và `CROSS_REPO_ENDPOINT_MATRIX.md`.
 
 ## Architecture
 
@@ -51,12 +46,14 @@ This script reads `.env.mobile` and automatically passes:
 - `GOOGLE_SERVER_CLIENT_ID`
 - optional `GOOGLE_CLIENT_ID`
 
-Default `BASE_URL` behavior:
+Default `BASE_URL` khi **không** truyền `--dart-define` (xem `lib/core/config/app_config.dart`):
 
-- Android emulator: `http://10.0.2.2:8000`
-- Others (iOS simulator, desktop, web): `http://localhost:8000`
+- Android (native, không phải web build): `https://reader-api.fevirtus.dev`
+- Các nền tảng khác (iOS, desktop, web build, v.v.): `http://localhost:8000`
 
-If needed, you can still override explicitly:
+Để dev local trên Android emulator, luôn set rõ qua `--dart-define` hoặc file `.env.mobile` + `scripts/flutter_run_with_env.sh`, ví dụ `http://10.0.2.2:8000`.
+
+Override trực tiếp:
 
 ```bash
 flutter run --dart-define=BASE_URL=http://localhost:8000

lib/features/novel/providers/novels_provider.dart

@@ -220,7 +220,7 @@ final chapterListProvider =
   try {
     return await fetchAllChapters(novelId);
   } catch (_) {
-    // Backend stores chapters by novel id in MongoDB; if route opened by slug,
+    // If route opened by slug/id mismatch, resolve canonical novel id and retry once.
     // first request can return empty list. Resolve canonical id and retry once.
     try {
       final novelRes = await client.dio.get('/api/novels/$novelId');