build: 三端构建 - Dev技能

- ✅ 后端: mvn clean package -DskipTests (2.1s)
- ✅ Flutter Web: flutter build web --release --dart-define=ENV=prod (25.7s)
- ⚠️ Admin: TypeScript类型错误（已知问题）
- 📦 拉取远程更新: 14个文件变更

flutter_monisuo/build/web/main.dart.js_19.part.js

@@ -56,5 +56,5 @@ x(A.ZU,A.ab1)
 x(A.aQn,B.b4)
 x(A.aW5,B.aW)
 y(A.ab1,B.b0)})()
-B.ba(b.typeUniverse,JSON.parse('{"ZU":{"Z":[]}}'))};
-(a=>{a["l9wTZa1caeK9v0Pk6ewxDDuAW6E="]=a.current})($__dart_deferred_initializers__);
+B.b9(b.typeUniverse,JSON.parse('{"ZU":{"Z":[]}}'))};
+(a=>{a["XH01BdzOoZ+cN3eT9WMpiN4s6xI="]=a.current})($__dart_deferred_initializers__);