We get it. You feel threatened by your FOSS competitors on widely available hardware.

Coldcard Q is supposed to be capable of ephemeral seeds supposedly, right? but you couldn't make a seedqr export system because you'd rather milk 3 purchases out of your customer than build something cost effectively.

If you wanted to be creative and different, You could even just make make seedqrs that are backing up BIP39 passphrases for one single seed stored on the device, so you can still claim to need your secure chip bs while using the effective method of QR based multisig that saves your customer money