I don't know how painful it would be, but I think I could adapt to a short delay of maybe 50-100ms where the shell won't respond to Return presses, only after a

I don't know how painful it would be, but I think I could adapt to a short delay of maybe 50-100ms where the shell won't respond to Return presses, only after accepting a completion. Just long enough ideally to make me re-read what I entered.