Resuming.
I trained with 3k steps and 15% (450 steps) of that for textual encoding. I shut it down to come back and resume. It shows I resumed but I really didn't.

It started over from scratch.
It doesn't show the previous steps count, but it is resuming the training of the already trained model.
(not my business, but try dark mode in tools->settings, better for the eyes)
No, it really didn't resume because I am getting the same rather torn images at 500 and 1k as it started them completely over. Even see where it redid the textual encoding again (freezing it). I can say, from all of what is shown, and the results gathered, this did not really resume as it does if I stay connected and just go up manually. If I disconnect and reconnect it blows up, even going so far as to have a completely different checksum than my previous every 500 steps for 3k steps have.