Remove the SaaS backend proxy approach for passkey registration (Account
API binding, Management API proxy, password modal in PasskeySection).
Instead, offer passkey enrollment natively during sign-in via Logto's
Experience API — the correct architectural layer.
Sign-in flow: when Logto returns MFA enrollment available (422), show a
"Secure your account" screen with Register passkey / Set up later. Uses
Experience API WebAuthn registration endpoints. Works for all users
(SaaS and future server users) since the sign-in UI is shared.
PasskeySection in account settings now only manages existing passkeys
(list/rename/delete) and directs users to register during sign-in.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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