TUI apps aren't optimized for the productivity of power users, and by the same token, replacing a GUI app with a legacy TUI framework will not necessarily make it easier while almost definitely will make it harder since some advanced productive UI patterns simply don't get implemented in TUIs - they might not've been invented/known at the time this legacy framework was created

Thus there is no innate framework benefit, only downside, so it doesn't make sense to handicap yourself tying to this legacy