Archived
- Backend: Replace PR's Book-only models with main's full models (EBook, BookChapter, DownloadRecord, ReadingProgress, ReadingSettings) - Backend: Add reader app (ReadingSettings model, serializer, view, URL) - Frontend: Port reader feature files from web/ to frontend/ (api, hooks, components/reader/, pages/ReadingPage, types/reader, reader.css) - Frontend: Add /read/:id route to App.tsx for chapter-based reading view - All imports adjusted for frontend/src directory structure