xliiv·7 lat temu·discussI did this https://github.com/xliiv/fui This is something different, but maybe someone could say it's sort of "completions"? Fui also has a feature which allow to copy/dump a whole form (ctrl-k) string which can be pasted to bash.
xliiv·8 lat temu·discussRust is not for you, and better stick to something which you are good at it. Friendly advice :)