My biggest problem with it is it breaks operate-and-get-next (Ctrl+O). So I still have to manually walk back in my history if I want to rerun a sequence of commands.

> operate-and-get-next (C-o)

> Accept the current line for execution and fetch the next line relative to the current line from the history for editing. A numeric argument, if supplied, specifies the history entry to use instead of the current line.

Indeed. Zsh history + FZF is my second brain.

I tag some commands with #some-comment in the end so I can search easier.