Added
- Interface localization via
rust-i18n, shipped with ten locales — English, Simplified Chinese, Japanese, Korean, Spanish, French, German, Brazilian Portuguese, Russian, and Italian — plus aSystemoption that follows the OS preferred language. Settings → Appearance → Language switches it live (including the native menu bar);locales/en.ymlis the source of truth andscripts/gen_locales.pyregenerates the other files from the glossary.