The CHANGELOG bullet, the persistence-contract paragraph and the registry param docs of WriteRecord and WriteDocument now list the two ways a record is owned and every refusal the code makes, including a stored entry that lists another registered type's id ahead of the written one's and a call that writes no entry. The registry-less Shared read is described as it is today.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>