Did not discover your tuturial until now (someone responded to it making it come up)
Nice to see how you structured you flows almost exactly the way I do.
See my post about how to structure flows
I do this too, but use some more categories (and different tags)
Also defining scenes and using virtual devices too 
And check on that too (using papertrails for it…)
Did not use this yet, but I do like the idea and flow
