Generate WebAuthn challenge for sudo mode verification using a registered security key or biometric device.
curl --request POST \
--url https://api.fluxer.app/v1/users/@me/sudo/webauthn/authentication-options \
--header 'Authorization: <api-key>'{
"challenge": "<string>"
}curl --request POST \
--url https://api.fluxer.app/v1/users/@me/sudo/webauthn/authentication-options \
--header 'Authorization: <api-key>'{
"challenge": "<string>"
}