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_73.part.js

@@ -56,5 +56,5 @@ x(A.a_r,A.abz)
 x(A.aQV,B.b4)
 x(A.aVu,B.aW)
 y(A.abz,B.b0)})()
-B.ba(b.typeUniverse,JSON.parse('{"a_r":{"Z":[]}}'))};
-(a=>{a["fbq1bCJ13a2RbLt2YN+QR8oI298="]=a.current})($__dart_deferred_initializers__);
+B.b9(b.typeUniverse,JSON.parse('{"a_r":{"Z":[]}}'))};
+(a=>{a["RlYwXjkKTk/SWKH0lSNGnDe1k3Y="]=a.current})($__dart_deferred_initializers__);