Verbs snapshot-kept and restore-kept (with aside-only and discard-aside) on the seat mesh-broker, handed to the keeper; taken over from the join's 0480e16f and c4e88eaa, without the verbs aside and discard-aside and the tool nats_kept, which no design line gives. Builds: design 47 G §296, §297, §302, §337, §405 Claude-Session: https://claude.ai/code/session_01JG73KEq4zoDfM9WtYpcQgZ