This update improves reliability, compatibility, and performance across supported websites.

Main improvements:
- Improved chapter detection and extraction across different supported website layouts.
- Fixed issues affecting novel titles, chapter titles, and chapter numbering.
- Improved handling of large chapter lists and full tables of contents.
- Reduced slowdown on works with many chapters through UI and rendering optimizations.
- Improved grouped chapter selection and cleaned up the Volumes / books interface.
- Removed unnecessary controls and fixed button sizing and alignment issues in the grouped selection UI.
- Added regression tests to improve stability across supported sources.

No new permissions were added in this release.