Readonlychanges$The archetype whose defaults or published preferences just changed.
ReadonlysyncWhether choices are published to the account. Off until the user turns it on.
Every default this device remembers, by archetype.
This device's default for an archetype.
Read the signed-in account's published preferences from its relays.
Remember a default, or forget it with undefined. With sync on and an
account that can sign, the choice is also published as the user's
handler preference for the archetype.
The account's published preferences for an archetype, once loaded.
The user's handler choices: what this device remembers, and what their account published.