[MaxWilson]

There'

[...How ironic. I hit the wrong key while typing this message and it posted early. I've never had that happen to me before, either.]

There's no way to remap keys, so I would recommend the second-best option which is to use the dom3.exe --postexec command to back up your files every turn. That way if you accidentally finish too early you can restore. The other possibility, if you have a slow computer, is to immediately Alt-Tab out and kill the process using xkill or Task Manager (whichever is applicable). If your computer is too fast that won't work, of course.

-Max