Bring the scattered data-sovereignty controls into one /settings/privacy pane.
It assembles already-shipped pieces rather than rebuilding them: the encryption-
at-rest summary and configured retention windows (read from the server so the
copy stays truthful), links to the export surfaces (including the passphrase-
encrypted option) and the account-deletion / data-reset surface, the active-
session list, trusted devices, and the security-activity log. The backup↔
deletion lag is disclosed honestly — deletion is immediate, but encrypted
off-host backups still hold the data until they roll off retention.