Sign in with your passkey.
Works with iCloud Keychain, Google Password Manager, 1Password, Windows Hello or a hardware key. Scanning the QR code with a phone signs you in from a passkey saved on that phone.
Invited? Open the invitation link you were sent — it creates your account and its passkey in one step. Lost every passkey? Ask the owner for a recovery link.
No one owns this Switchyard yet: claim the owner account with the bootstrap code from the server.