callback 검증 보강. seed-tenant 추가보강

devfront/vitest.config.ts

@@ -0,0 +1,11 @@
+import react from "@vitejs/plugin-react";
+import { defineConfig } from "vitest/config";
+
+export default defineConfig({
+  plugins: [react()],
+  test: {
+    globals: true,
+    environment: "jsdom",
+    include: ["src/**/*.{test,spec}.{ts,tsx}"],
+  },
+});