I just stumbled upon this page https://identity.ic0.app/# which is simple yet amazing for managing one’s passkeys and recovery methods.
This is actually something I struggled with: I couldn’t find a proper way to add more devices and I’d read about having a recovery device, but couldn’t find how to add one. I also saw some posts on reddit revolving around passkey/recovery device management: post1, post2, post3,…
When you try to log in from a dapp, you get redirected to https://identity.ic0.app/#authorize but once you successfully log in, that page closes itself (which is the behavior I would expected btw), so you never land on that page!
My recommendation (and this was an first intuition when I tried) would be to simply add a link to that page (https://identity.ic0.app/#) from the top-right dropdown of the NNS dapp. Something like this:
