feat: 新增 design-lab——Vite MPA + Tailwind v4，设计系统可运行版（五页：目录/颜色/符号/组件/样例）

apps/design-lab/vite.config.ts

@@ -0,0 +1,17 @@
+import { readdirSync } from 'node:fs'
+import { resolve } from 'node:path'
+import { defineConfig } from 'vite'
+import react from '@vitejs/plugin-react'
+import tailwindcss from '@tailwindcss/vite'
+
+// MPA：根目录每个 *.html 是一个入口，对应 src/pages/<name>/main.tsx
+const pages = readdirSync(__dirname).filter((f) => f.endsWith('.html'))
+
+export default defineConfig({
+  plugins: [react(), tailwindcss()],
+  build: {
+    rollupOptions: {
+      input: Object.fromEntries(pages.map((f) => [f.replace(/\.html$/, ''), resolve(__dirname, f)])),
+    },
+  },
+})