People setting up backups or AI agents want one small file with the
endpoint, key, secret and drive, in the shape scripts read. Export JSON…
in the key dialog writes exactly that, with a drive picker since a key
reaches all of its user's drives. The secret stays masked in the preview,
and the dialog says the file is unencrypted and suggests one S3 user per
agent. The Theseus save dialog now offers .json for it instead of
.pithoskey.
cb622aa5af