Add D&D enemy event extractor

internal/modules/dnd/extract/enemyevents/grounding.go

@@ -130,12 +130,9 @@ func (r *groundingResolver) Resolve(references contracts.ReferenceSet) (groundin
 	if !npcs.Bound() {
 		return grounding{}, fmt.Errorf("NPC registry reference is required")
 	}
-	scenes, err := r.scenes.Resolve(references)
+	scenes, err := r.resolveScenes(references)
 	if err != nil {
-		return grounding{}, fmt.Errorf("resolve scene eligibility: %w", err)
-	}
-	if !scenes.Bound() {
-		return grounding{}, fmt.Errorf("scene descriptions reference is required")
+		return grounding{}, err
 	}
 	combatTurns, err := resolveInput(references, CombatTurnReferenceSlot, r.combatTurns, prepareCombatTurnInput)
 	if err != nil {
@@ -153,6 +150,28 @@ func (r *groundingResolver) Resolve(references contracts.ReferenceSet) (groundin
 	}, nil
 }
 
+func (r *groundingResolver) SceneMatch(references contracts.ReferenceSet, chunk *source.Chunk) (sceneregistry.ChunkMatch, error) {
+	if r == nil {
+		return sceneregistry.ChunkMatch{}, fmt.Errorf("grounding resolver must not be nil")
+	}
+	scenes, err := r.resolveScenes(references)
+	if err != nil {
+		return sceneregistry.ChunkMatch{}, err
+	}
+	return scenes.Match(chunk), nil
+}
+
+func (r *groundingResolver) resolveScenes(references contracts.ReferenceSet) (*sceneregistry.Registry, error) {
+	scenes, err := r.scenes.Resolve(references)
+	if err != nil {
+		return nil, fmt.Errorf("resolve scene eligibility: %w", err)
+	}
+	if !scenes.Bound() {
+		return nil, fmt.Errorf("scene descriptions reference is required")
+	}
+	return scenes, nil
+}
+
 func resolveInput(references contracts.ReferenceSet, slot string, seeded *contracts.LLMInputMaterial, prepare func(contracts.ReferenceSet) (*contracts.LLMInputMaterial, error)) (contracts.LLMInputMaterial, error) {
 	if _, ok := references.Slots[slot]; ok {
 		value, err := prepare(references)