alt Hacker NewsDoes that mean you can't go up and fix a typo? If so, that sounds strictly worse than what you get by default from the shell (which is up arrow, ctrl-r and various other methods of history searching, and history substitution or editing to fix errors).
I fixed it - you can go up and edit the last failing one. As soon as another cmd succeeds, it will not longer appear in the list and it's never stored into the tool history.