The usual folks (coldcard, seedsigner, ledger, etc) are not seeing the need/maket for it yet.
Discussion
Not the same use-case as cold storage though. Nostr keys are hot and please make them swappable. Now that I think nostr:npub1zach44xjpc4yyhx6pgse2cj2pf98838kja03dv2e8ly8lfr094vqvm5dy5 was working on some cool Frost stuff