* feat(conversations): complete manual AI takeover
* fix(conversations): align AI takeover flow with channel AI
* fix(conversations): close takeover review gaps
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Co-authored-by: Rogee <rogee@ipao.vip>
- 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