Compose production D&D combat pipeline

docs/integrations/dnd-npc-artifacts.md

@@ -2,8 +2,9 @@
 
 This document defines the durable D&D NPC-list artifact, its JSON codec, and
 the selectable production NPC pipeline. The normalized JSON payload can be
-passed explicitly to the spell extractor as an optional caster-name registry;
-it remains a reference, not spell evidence.
+passed explicitly to the spell extractor as an optional caster-name registry
+or to the combat extractor and normalizer as an actor/target registry. It
+remains a reference, not spell or combat evidence.
 
 ## Identity