build: 更新 Flutter Web 构建产物（shadcn_ui 完全移除）

- 所有 shadcn_ui 组件已替换为 Material Design
- 样式主题已完整迁移
- 使用 --no-tree-shake-icons 解决 lucide_icons 问题

flutter_monisuo/build/web/flutter_bootstrap.js

@@ -37,6 +37,6 @@ _flutter.buildConfig = {"engineRevision":"e4b8dca3f1b4ede4c30371002441c88c12187e
 
 _flutter.loader.load({
   serviceWorkerSettings: {
-    serviceWorkerVersion: "1978404202" /* Flutter's service worker is deprecated and will be removed in a future Flutter release. */
+    serviceWorkerVersion: "894776289" /* Flutter's service worker is deprecated and will be removed in a future Flutter release. */
   }
 });