CommandBody has seven variants, WorldPhase two, EdgeKind one, WorldState
a fixed field set; the page now lists those and marks membership, contract,
archive and general relations as unbuilt. Persistence rows and WorldCommit
fields match journal.rs and lib.rs. The play-agent gate citation points at
the Idunn recipe's acceptance step.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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