Optional
Set when the post-mutation Gist checkpoint failed; the local mutation succeeded (#1370).
False when the claim exists on this machine only: the Gist push failed (gistSyncWarning) or Gist persistence is degraded. Other machines cannot see it, so a workflow should not treat the item as reserved.
gistSyncWarning
Set when the post-mutation Gist checkpoint failed; the local mutation succeeded (#1370).