Just riffing on what you all are saying, maybe an, "undo to last working state" might be, for many current environments, an easy to add minor improvement. It do

Just riffing on what you all are saying, maybe an, "undo to last working state" might be, for many current environments, an easy to add minor improvement. It doesn't seem that hard to keep track of the last point in the undo stack before it all went sideways.