* Add desktop release CI and support for Arch Linux packaging
* Make Gradle wrapper executable in desktop-release workflow
* Make Gradle wrapper executable in desktop-release workflow
* Make Gradle wrapper executable in desktop-release workflow
* Configure Gradle and update Java environment in desktop-release workflow
* Update Java setup and AUR packaging in desktop release workflow
* Update Java setup and AUR packaging in desktop release workflow
* Add MSIX packaging support for Windows desktop distribution
* Update AUR packaging metadata and validation
* Use spine toc attribute for NCX resolution
* crash fixes
* Implement automatic discovery and injection of EPUB font face siblings
* Enhance custom font support with family grouping and variable font handling
* Optimize metadata loading and improve TTS highlighting
* Add keyboard navigation support for EPUB reader
* Refine PDF spread page sizing to respect aspect ratios
* Implement responsive maximum height for reader popups and sheets
* Handle TTS generation failures by skipping problematic chunks
* Refactor PDF tile rendering logic and zoom indicator behavior
* Prefer block and offset locators over page index in native vertical flow
* Implement save and share actions for original book files
* Add Estonian language support
* Implement temporary viewing mode for external files
* Implement direct opening for temporary external files without library persistence
* fix failing tests
* Import SharedFileCapabilities in DesktopLibraryUi
* Improve native vertical reader progress, persistence, and image support
* Center target in viewport for native vertical reader and support animated scrolling
