Clarify semantic reconciliation candidate numbers

internal/modules/integration/dnd_npc_occurrences_runner_test.go

@@ -297,7 +297,7 @@ func (client *semanticNPCOccurrenceClient) CompleteStructured(_ context.Context,
 		}
 		payload = map[string]any{"npcs": []any{map[string]any{"name": name, "source_refs": []any{map[string]int{"start_unit_id": client.npcCalls, "end_unit_id": client.npcCalls}}}}}
 	case npcnormalize.PromptID:
-		content := []byte(`{"duplicate_groups":[{"candidate_ids":[1,2],"canonical_candidate_id":1}]}`)
+		content := []byte(`{"duplicate_groups":[{"candidate_numbers":[1,2],"canonical_candidate_number":1}]}`)
 		if err := json.Unmarshal(content, out); err != nil {
 			return contracts.StructuredCompletionResponse{}, err
 		}