Add ebook reader features: highlights, bookmarks, search, settings, PDF paginated mode
- Backend: EBookHighlights and EBookBookmarks models with encrypted blob storage;
GET/POST views with size guards (700 KB / 100 KB); migration applied
- Reader header: search, settings, bookmark add/list buttons
- Font & layout settings panel (font size, line height, max width, themes for EPUB;
zoom, invert, paginated for PDF); persisted in localStorage
- Bookmarks: encrypted per-book blob, toast on add, sidebar with jump/delete
- Full-text search: EPUB TreeWalker mark injection, PDF span search; Ctrl+F / F3;
arrow key cycling; highlights re-applied on search clear
- PDF paginated mode: single-page view, tap-zone / swipe / arrow key navigation,
smart zoom (text bounding box → scale+translate canvas), auto-enable on mobile
- Progress tracking fixes: save before hiding overlay (was always writing 100%),
wait for EPUB images to load before restoring scroll, PDF paginated uses page
fraction, sendBeacon cache for unload/visibilitychange reliability
- PDF text layer disabled pending overlay rendering fix
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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