encodes its validated payload without parsing it. Batch members use the
same metadata and value validation without envelope encoding. Access
flag presence checks apply to parsed JSON only. ``Parse`` selects the
-typed payload and address kind from an incoming topic. A caller does not
+typed payload and address kind after one topic parse. A caller does not
split or join topics and does not build an envelope.
A ``Publication`` contains topic, JSON bytes, QoS, and retention. It