chat_scroll_view

fix(chat): scrollbar drag fetches new range + listener type hot-reload safety (#4)

feat(chat): follow-tail, highlight, keyboard, invalidate, overscroll, RTL, goldens (#3)

API cleanup: data source refactor, message builder, fixes (#2)

Merge pull request #1 from PlugFox/widgets

feat: Improve chat data source fetching logic and error handling; add disposal methods for controllers