- Fix unicode surrogate pairs and emoji slicing via Array.from in ORP calculator
- Add slot smoothing constraint to pivot element to prevent horizontal jitter
- Implement adaptive timestamp compensation and visibilitychange auto-pause
- Slim storage layer by updating only STORE_META on progress changes with memory fallback
- Align EPUB chapter indices to token array indices instead of raw character offsets
- Support standalone emoji tokens via Extended_Pictographic regex
- Code-split JSZip via dynamic import to optimize initial bundle size
Co-Authored-By: Claude Code <noreply@anthropic.com>
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