优化第一阶段

lib/plugins/gltf/ui.js

@@ -0,0 +1,9 @@
+import { createStepUI } from "../../utils/stepui.js";
+import { getSteps } from "./config.js";
+
+const ui = createStepUI({
+  title: "glTF 扩展工具",
+  getSteps
+});
+
+export const { runInteractive, showSummary } = ui;