Thank you, for your patience in my reply here it is:

https://banagale.com/cinematic-canvas-ai-film-animation.htm

I provide a "how I got to this" up front, but if you want to jump right to the Apocalypto stuff, use this:

https://banagale.com/cinematic-canvas-ai-film-animation.htm#...

And if you want to play with interactive demos of the two animation sequences (the tuning tooling I described in my OP) you can go directly there:

https://banagale.com/cinematic-canvas-workbench-demos

If anyone wants to collaborate on building out the cinematic-canvas-workbench project please email me.