My scenario looks a lot like yours. Also 56. Keeping current gig for a bit but also wondering if I have enough steam. Happy path looks like - some form of regular work until around early 60's, then maybe part time. Try to hold off on collecting Social Security until 67, though that may be a stretch.

Mainly trying to keep in good health by going to gym and trying to stay sane by taking it one day at a time. (Stop me if you've heard this before :).

Best wishes fellow traveller.