Consolidate MangaCircus app, scraper, and Compose baseline

docs/import.md

@@ -91,7 +91,7 @@ Each chapter folder is one **version**:
 | `id` | folder name |
 | `source`, `sourceUrl` | `chapter.json.source` (`{name,url}` or a string), else the `[…]` part of the folder name |
 | `added` | `Date.parse(chapter.json.added)`, else the folder mtime |
-| `direction` | first valid of chapter.json → book.json → manga.json → `rtl`. Aliases: `vertical`, `webtoon` → `ttb` |
+| `direction` | manual chapter → book → manga; else coherent tall-strip dimensions → `ttb`; else prior generated vertical series direction; else fallback `rtl`. Aliases: `vertical`, `webtoon` → `ttb`. Legacy plain values remain manual |
 
 6. A version without images is dropped silently.
 
@@ -196,7 +196,7 @@ The index is read by the API at request time. Nothing is precomputed per user.
 
 | Endpoint | Built from |
 |----------|------------|
-| `GET /api/library` | manga list + the user's progress, follows and unread notifications |
+| `GET /api/library` | manga list + searchable metadata (`altTitles`, `authors`, `tags`, `status`, normalized first release), the user's progress, follows and unread notifications |
 | `GET /api/manga?m=` | manga incl. `meta` (the raw `manga.json`), books, chapters with ranked versions and the user's progress, "Continue" target |
 | `GET /api/chapter?m=&c=&v=` | pages of the chosen version (`v`, else the best ranked), direction, prev/next chapter (skipping extras if the user wants that), the user's progress |
 | `GET /lib/<path>` | the image file itself. Logged-in users only, image extensions only, path must stay inside `LIBRARY`. ETag + `Cache-Control: private, max-age=86400` |