Great question – all you need to do is hit CMD+Z or Esc when the generation starts and it automatically aborts it and gives you your "++" back!

Here's the code for it: https://github.com/steven-tey/novel/blob/main/ui/editor/inde...

I've debated between "++" vs "+++", but settled for ++ since it's lesser keystrokes (at the risk of conflicting with more common words/phrases) haha