The ChannelSnapshotJson fields the session persists — persistedFactsOf mapped
through SNAPSHOT_FIELDS_OF_FACT. THE field allowlist session capture prunes to
(prunedToPersisted), so a transient fact leaking into a saved show is
unconstructable rather than merely untested (audit D9's fix, generalised).
The
ChannelSnapshotJsonfields the session persists — persistedFactsOf mapped through SNAPSHOT_FIELDS_OF_FACT. THE field allowlist session capture prunes to (prunedToPersisted), so a transient fact leaking into a saved show is unconstructable rather than merely untested (audit D9's fix, generalised).