Use references in D&D spell extraction

internal/modules/extract/dnd/spells/registry_test.go

@@ -5,6 +5,7 @@ import (
 	"strings"
 	"testing"
 
+	"gitea.maximumdirect.net/eric/notarius/internal/framework/contracts"
 	"gitea.maximumdirect.net/eric/notarius/internal/framework/pipeline"
 )
 
@@ -36,6 +37,18 @@ func TestModuleSpec(t *testing.T) {
 		Provides: []string{
 			"dnd.spell_casts",
 		},
+		ReferenceSlots: []contracts.ReferenceSlot{
+			{
+				Name:               "glossary",
+				Description:        "Optional campaign glossary reference material used only for disambiguation.",
+				AcceptedMediaTypes: []string{"text/plain; charset=utf-8"},
+			},
+			{
+				Name:               "roster",
+				Description:        "Optional campaign roster or player-character reference material used only for disambiguation.",
+				AcceptedMediaTypes: []string{"text/plain; charset=utf-8"},
+			},
+		},
 	}
 	if !reflect.DeepEqual(got, want) {
 		t.Fatalf("ModuleSpec() = %#v, want %#v", got, want)
@@ -43,6 +56,7 @@ func TestModuleSpec(t *testing.T) {
 
 	got.Requires[0] = "changed"
 	got.Provides[0] = "changed"
+	got.ReferenceSlots[0].AcceptedMediaTypes[0] = "changed"
 	again := ModuleSpec()
 	if !reflect.DeepEqual(again, want) {
 		t.Fatalf("ModuleSpec() after caller mutation = %#v, want %#v", again, want)