[Bug]: `process.env` is undefined (8.1.7) about storybook HOT 1 OPEN

/// <reference types="vitest" />
import { defineConfig } from "vite";
import react from "@vitejs/plugin-react-swc";

export default defineConfig({
  define: {
    "process.env": process.env,
  },
  plugins: [react()],
  css: { postcss: { plugins: [] } },
  test: {
    environment: "jsdom",
    setupFiles: ["setupTests.ts"],
    restoreMocks: true,
    coverage: {
      provider: "v8",
      all: true,
    },
  },
});