fix: 修复构建与测试中的多个问题

- 修复: Vue 版本降级至 3.4.21 以兼容 uni-app v3 alpha
- 修复: 稳定性测试改用绝对时间阈值，消除 flaky 退化率检测
- 修复: 配置 Vite 使用 sass-embedded 消除 Dart Sass 遗留 API 警告
- 修复: 启用 Playwright webServer 配置，支持自动启动开发服务器
- 清理: 移除未使用的 @dcloudio/uni-ui 依赖
- 新增: 添加 @dcloudio/uni-mp-weixin 平台依赖支持微信小程序构建

everything-is-suitable-uniapp/package.json

@@ -15,17 +15,17 @@
     "test:e2e:ui": "playwright test --ui"
   },
   "dependencies": {
-    "@everything-suitable/algorithm": "file:../packages/algorithm",
     "@dcloudio/uni-app": "^3.0.0-alpha-5000820260420001",
     "@dcloudio/uni-components": "^3.0.0-alpha-5000820260420001",
     "@dcloudio/uni-h5": "^3.0.0-alpha-5000820260420001",
+    "@dcloudio/uni-mp-weixin": "^3.0.0-alpha-5000820260420001",
+    "@everything-suitable/algorithm": "file:../packages/algorithm",
     "lunar-javascript": "1.7.7",
-    "vue": "3.5.26",
+    "vue": "3.4.21",
     "vue-i18n": "^9.14.5"
   },
   "devDependencies": {
     "@dcloudio/uni-cli-shared": "3.0.0-alpha-5000820260420001",
-    "@dcloudio/uni-ui": "1.5.12",
     "@dcloudio/vite-plugin-uni": "3.0.0-alpha-5000820260420001",
     "@playwright/test": "1.57.0",
     "@vitejs/plugin-vue": "^5.2.3",