Re: [webauthn] Facility for an RP to indicate a change of displayName to a discoverable credential (#1779)

From TPAC: a possible, privacy-friendly design for this update would be to leverage a Reporting API (see [relevant previous issue](https://github.com/w3c/webauthn/issues/1637#:~:text=Report%20signaling,this%20at%20all.)). After a successful sign-in, the RP can call an API that tells the user agent some state about the passkey:
* Whether the passkey was accepted or rejected
* The current `displayName` and `name` for the user.
The user agent can then decide to prompt the user to update the `displayName` and `name` on the credential.

This "reporting api" may need some updates on ctap 2.2 if we don't want to have the user tap their authenticator again to make this change, but since there's going to be a prompt anyway, perhaps we are okay with it.

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Received on Monday, 12 September 2022 21:47:17 UTC