But what is unclear to me is what comes next in the ideal case where all these goals have been achieved
You live happily ever after.
I’ve encountered discussions about eudaimonia scenarios (private galaxies, etc.), though I’m not sure how seriously to take those, as surely the possibilities of the co-moving light cone that is within our capacity to inhabit are exhaustible in finite time, especially if all these designs reach their ultimate fruition?
You live happily ever after.
Where is the contradiction here?
What occurs after the finite period of expansion and enjoyment ends?
Death, presumably.
(the finiteness is actually far from certain, but that’s neither here nor there)