chore: post-upgrade cleanup

- Update Node.js engine requirement to >= 20.19.0 (Vite 7 requirement)
- Remove duplicate entries in optimizeDeps include list
- Remove build-time-only packages (sass, unocss) from optimizeDeps

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

build/vite/optimize.ts

@@ -2,13 +2,11 @@ const include = [
   'qs',
   'url',
   'vue',
-  'sass',
   'mitt',
   'axios',
   'pinia',
   'dayjs',
   'qrcode',
-  'unocss',
   'vue-router',
   'vue-types',
   'crypto-js',
@@ -90,18 +88,8 @@ const include = [
   'element-plus/es/components/dropdown-menu/style/css',
   'element-plus/es/components/dropdown-item/style/css',
   'element-plus/es/components/skeleton/style/css',
-  'element-plus/es/components/skeleton/style/css',
-  'element-plus/es/components/backtop/style/css',
-  'element-plus/es/components/menu/style/css',
-  'element-plus/es/components/sub-menu/style/css',
-  'element-plus/es/components/menu-item/style/css',
-  'element-plus/es/components/dropdown/style/css',
   'element-plus/es/components/tree/style/css',
-  'element-plus/es/components/dropdown-menu/style/css',
-  'element-plus/es/components/dropdown-item/style/css',
   'element-plus/es/components/badge/style/css',
-  'element-plus/es/components/breadcrumb/style/css',
-  'element-plus/es/components/breadcrumb-item/style/css',
   'element-plus/es/components/image/style/css',
   'element-plus/es/components/collapse-transition/style/css',
   'element-plus/es/components/timeline/style/css',

package.json

@@ -153,7 +153,7 @@
   "homepage": "https://gitee.com/yudaocode/yudao-ui-admin-vue3",
   "web-types": "./web-types.json",
   "engines": {
-    "node": ">= 16.0.0",
+    "node": ">= 20.19.0",
     "pnpm": ">=8.6.0"
   }
 }