Good to know, that prompted me to take a better look at FROST, which for some reason I initially thought was more constrained than MuSig2 in this regard and would never support this flow.
Discussion
nostr:npub1zswjq57t99f444z6485xtn0vfyjjfu8vqpnyj6uckuyem2446evqnxgc6x made a Fedimint module for for signing notes.
Is that a fork of the full Fedimint repository?
It does appear that it is. I’m unsure what is actually needed. Maybe nostr:npub1zswjq57t99f444z6485xtn0vfyjjfu8vqpnyj6uckuyem2446evqnxgc6x can explain