By George...or Jim...Or SourDoLady...I think I've done it.
I just put my sourdough into the oven (it's off, but I left the light on) for it's first rise. Jim, I still can't do your slap and fold. I have issues with the percentages, no matter how many spreadsheets I look at. I don't think I kneaded quite enough, but it's closing in on 11 p.m. mountain time. I'm tired. So, I'll let it rise, and in the morning I'll punch it down, shap it/them (plan to make two loaves), let them rise, then bake them.
Wish me luck ;-D