> I really do dig the Quick Character concept, and I’m calling it out as a IGRC-trademarked Killer App of Legacy.

Agreed. One of the things I did a bunch was to make people play Quick Characters from OTHER Families. You may have full say when playing your Family, but individuals is individuals! It actually worked out well and got the players backstabbing for resources exactly as I hoped (they had started off trying to work together! for shame!)

> I think it really was just the one final “how did this shake out?” roll. Then they zoomed back out

That was how a lot of our zoomed in play went – a single scene with 1-2 rolls to resolve it overall. Which felt good, and felt a lot like the scene-framing games that are close to my heart.

> And I’m not sure that facilitating the game actually gives me the authority to say “nope, you’ve dealt with the threats and opportunities, you’re done, just roll.”

I don’t think it’s clear, you’re right. But I think you can ask them at the start or end of each session to get them focused on it. “What big threats still remain in this age?”

That said, you can also wreck or steal their Surpluses as a hard move.