Complete minimal D&D extraction cutover

docs/integrations/dnd-spell-artifacts.md

@@ -140,6 +140,11 @@ chain, the catalog validator rejects the candidate with `unknown_spell`; the
 explicit validator override that accepts the candidate promotes the unresolved
 warning normally.
 
+The default extraction and normalization chains both preserve this registered
+order: JSON syntax, spell shape, catalog membership, source references, JSON
+Schema, then source relatedness. Extraction validates the private response
+schema; normalization validates the durable artifact schema.
+
 ## Manifest Metadata
 
 The extractor adds prompt and response-schema provenance under the artifact lane