- widget/i18n/index.js: only import en.json and zh_CN.json (the only locale files present); remove 40+ imports for missing locale JSONs that caused Vite compile failure and global white screen - dashboard/i18n/index.js: remove unused locale imports for consistency - Remove 62 unused locale JSON files from widget/i18n/locale/ - Minor: update index.html, test helpers, e2e test, languages spec