Hey that's me! Although the idea came originally from Ken Forkish's "Evolutions in Bread"
That was a great writeup and it's really interesting to see what you did differently. I have made this quite a few times and try to post the "as builts", so I'm not sure exactly which version you were working with, but I have found that this method is very forgiving. I've tried hydration from 65 to 80%, long cold bulks with short warm proofs, room temp bulks with cold proofs, room temp for both, and all sorts of fruits, nuts and teas (dried cranberries with pecans and orange tea is a holiday favorite), and they mostly come out edible.
Great job with all the pictures too, my hands (and kitchen) are usually too much of a mess to take such great shots of the process.
Looks like a nice loaf and it doesn't last long in my house either.
Egrets, I've had a few. But then again, too few to mention.