I’d love to see this seamless switching between hosts work reliably, but it seems a bit hard…
Have you considered pre-generating the world chunks on your beefy desktop with a mod like Chunky then transferring the world over to the server?
I’ve done this before and it works wonders on low-end devices, though it is a trade: you’re exchanging disk space for smoother performance.
Finding the sweet spot can be a bit hard.
Funnily enough, just saw people on Lemmy talking about this one the other day