script-wizard

revert to /dev/tty with dup: keep parent fd open to prevent input buffer gaps

unify unix tty handling: use dup2(stderr) instead of opening /dev/tty per invocation

flush tty input buffer before each wizard invocation on Linux

bump version to 0.3.1

bump inquire 0.7.5 -> 0.9.4 (crossterm 0.25 -> 0.29, fixes ESC timing)