Migrate NPC registry durable contract

internal/modules/dnd/normalize/enemyevents/normalizer.go

@@ -256,7 +256,7 @@ func referenceSlots() []contracts.ReferenceSlot {
 		Description:           "Required normalized NPC registry used only to canonicalize enemy-subject names, never as event evidence.",
 		Required:              true,
 		AcceptedMediaTypes:    []string{"application/json"},
-		AcceptedArtifactKinds: []contracts.ArtifactKind{dnd.NPCListKind},
+		AcceptedArtifactKinds: []contracts.ArtifactKind{dnd.NPCRegistryKind},
 		MaxBytes:              NPCRegistryMaxBytes,
 	}})
 }

internal/modules/dnd/normalize/enemyevents/normalizer_test.go

@@ -183,7 +183,7 @@ func testDocument() *source.SourceDocument {
 
 func npcReferences(t *testing.T) contracts.ReferenceSet {
 	t.Helper()
-	value := dnd.NPCList{NPCs: []dnd.NPC{{
+	value := dnd.NPCRegistry{NPCs: []dnd.NPC{{
 		ID: identity.DeriveID("Ária"), Name: "Ária",
 		SourceRefs: []source.SourceRef{{SourceID: "registry", StartUnitID: 1, EndUnitID: 1}},
 	}}}