Prompter
Narrow Prompter interface on the Factory with TTY detection, scripted test double, and a library pick that won't rot.
Decisions
byob-prompter.1— Prompter as a narrow consumer interfacebyob-prompter.2— Library pick: charmbracelet/huh for the live prompterbyob-prompter.3— Refuse to prompt when stdin is not a TTYbyob-prompter.4— Test prompter is a scripted FIFO stubbyob-prompter.5— --yes / -y destructive-action override