added a filenamemapper , used to faster switch between filenames.

src/vibentec/configloader.ts

@@ -1,8 +1,8 @@
 import fs from "fs"
 import path from "path"
+import { jsonFileNames } from "./devJsonFileNames";
 
-//const fileName = "ste.medusa-starter.design.json";
-const fileName = "ste.playground.design.json";
+const fileName = jsonFileNames.stePlayGround;
 
 export async function loadDesignConfig() {
   const filePath = path.join(process.cwd(), "config", fileName)

src/vibentec/devJsonFileNames.ts

@@ -0,0 +1,4 @@
+export const jsonFileNames = {
+  steMedusaStarter: "ste.medusa-starter.design.json",
+  stePlayGround: "ste.playground.design.json"
+};