crdt_sync_dart 0.14.1, crdt-sync 0.11.0: the one-time copy skips empty
sources and never overwrites a destination that is not a sync log
(home-guard's pending upload). Python open_encrypted_client(state_dir=)
caches the derived key (0600) and the copy memo across daemon runs.
Todo: fda71ed1
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
