21M4TW on Nostr: SSSP does sign multi-sig txs (just tested it). I saw that passphrases can be enabled ...

SSSP does sign multi-sig txs (just tested it). I saw that passphrases can be enabled for SSSP. What I want is for the user to for the user into the policy for the multi-sig, while allowing him to use a different wallet without a policy. Is this doable with a passphrase as you mentioned?