build: 构建生产版本

**前端构建:**
- Flutter Web 构建产物 (build/web)
- 包含主题修复和绿色对比度优化

**后端修改:**
- 添加 MyBatisPlusMetaObjectHandler (自动填充字段)
- 更新实体类、DTO、Controller
- 优化 Jackson 配置
- 更新 application-dev.yml

**构建信息:**
- Maven: monisuo-1.0.jar (41MB)
- Flutter: build/web (22.9s)
- 环境: prod

flutter_monisuo/build/web/main.dart.js_84.part.js

@@ -1,15 +1,15 @@
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-aYN(d,e,f){var y,x,w=null,v=new B.X(),u=new B.X()
+aYO(d,e,f){var y,x,w=null,v=new B.X(),u=new B.X()
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 u.b4(d,w,e,w)
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-v.r=A.bgI(u)
+v.r=A.bgJ(u)
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-bfo(d,e){var y
+bfp(d,e){var y
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@@ -23,7 +23,7 @@ break A}if("input.selectAll"===e){y="\u0938\u092c\u0948 \u091a\u092f\u0928 \u091
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-bgI(d){return new A.aMy(d)},
+bgJ(d){return new A.aMy(d)},
 X7:function X7(d,e){var _=this
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@@ -37,7 +37,7 @@ A=a.updateHolder(c[55],A)
 A.X7.prototype={
 h(d,e){var y=this.r.a2(e)
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-gaX(){var y=this,x=y.z
+gaW(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
 x=y.z=new A.aIT()}return x},
 gb_(){return this.r}}
@@ -49,12 +49,12 @@ gb2(){return"\u0938\u092c\u0948 \u091a\u092f\u0928 \u0917\u0930\u094d\u0928\u094
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-(a=>{a["KRyV+9i9P3O5J/aIINealLfKQz0="]=a.current})($__dart_deferred_initializers__);
+(a=>{a["0286c8vLtO77s+ArfiS/4QMKPtQ="]=a.current})($__dart_deferred_initializers__);