OptionalsessionOptionalstubStub Write/Edit payloads (content/old_string/new_string/new_source). Default false: these fields are the file content the model may re-apply on resume, so stubbing them silently corrupts files. Opt in only under extreme size pressure.
Optionalthreshold
Rewrite every row's
sessionIdto this value. A branch is a new session, and Claude Code's own --fork-session stamps copied rows the same way.