Is the code for this FOSS?
Seems like exactly what I'm looking for, desperately need a better approach to key management like NIP-46!
Discussion
It is, and it works amazing; you can try it out on https://nostri.chat/
Sometimes Nostrum doesn’t do anything after scanning the QR the first time, but after scanning once it works; don’t know if #[2] fixed that but my tests always had that issue