fix: 修复复制地址提示层级问题，改用 toast 提示

- 创建统一的 ToastUtils 工具类
- 使用 BotToast.showCustomText 确保显示在所有弹窗之上
- 更新三处复制地址的代码使用新的 toast 方案
- 添加阴影效果提升视觉层次
- 支持成功/错误/警告等多种提示类型

flutter_monisuo/build/web/main.dart.js_78.part.js

@@ -1,15 +1,15 @@
 ((a,b)=>{a[b]=a[b]||{}})(self,"$__dart_deferred_initializers__")
 $__dart_deferred_initializers__.current=function(a,b,c,$){var B,A={
-b2D(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.YT(v,u)
-u.bd(d,w,e,w)
+b4c(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
+u=new A.Za(v,u)
+u.bf(d,w,e,w)
 y=u.a
 x=v.r
 x.toString
 y.r=x
-v.r=A.bm_(u)
+v.r=A.bnM(u)
 return u},
-bkG(d,e){var y
+bms(d,e){var y
 A:{if("timePicker.hours"===e){y="\u0426\u0430\u0433"
 break A}if("timePicker.minutes"===e){y="\u041c\u0438\u043d\u0443\u0442"
 break A}if("timePicker.seconds"===e){y="\u0421\u0435\u043a\u0443\u043d\u0434"
@@ -23,38 +23,38 @@ break A}if("input.selectAll"===e){y="\u0411\u04af\u0433\u0434\u0438\u0439\u0433
 break A}if("keyboardToolbar.done"===e){y="\u0411\u043e\u043b\u0441\u043e\u043d"
 break A}y=null
 break A}return y},
-bm_(d){return new A.aRi(d)},
-YT:function YT(d,e){var _=this
+bnM(d){return new A.aSI(d)},
+Za:function Za(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aN4:function aN4(){},
-aRi:function aRi(d){this.a=d},
-a9J:function a9J(){}}
+aOu:function aOu(){},
+aSI:function aSI(d){this.a=d},
+aab:function aab(){}}
 B=c[0]
 A=a.updateHolder(c[50],A)
-A.YT.prototype={
+A.Za.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aN4()}return x},
-gb8(){return this.r}}
-A.aN4.prototype={
-gbg(){return"\u0422\u0430\u0439\u0440\u0430\u0445"},
-gbf(){return"\u0425\u0443\u0443\u043b\u0430\u0445"},
-gbh(){return"\u0411\u0443\u0443\u043b\u0433\u0430\u0445"},
-gbc(){return"\u0411\u04af\u0433\u0434\u0438\u0439\u0433 \u0441\u043e\u043d\u0433\u043e\u0445"}}
-A.a9J.prototype={}
+x=y.z=new A.aOu()}return x},
+gb9(){return this.r}}
+A.aOu.prototype={
+gbh(){return"\u0422\u0430\u0439\u0440\u0430\u0445"},
+gbg(){return"\u0425\u0443\u0443\u043b\u0430\u0445"},
+gbi(){return"\u0411\u0443\u0443\u043b\u0433\u0430\u0445"},
+gbe(){return"\u0411\u04af\u0433\u0434\u0438\u0439\u0433 \u0441\u043e\u043d\u0433\u043e\u0445"}}
+A.aab.prototype={}
 var z=a.updateTypes([])
-A.aRi.prototype={
-$1(d){return A.bkG(this.a,d)},
+A.aSI.prototype={
+$1(d){return A.bms(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.a9J,B.a_)
-x(A.YT,A.a9J)
-x(A.aN4,B.aZ)
-x(A.aRi,B.aQ)
-y(A.a9J,B.aW)})()
-B.b3(b.typeUniverse,JSON.parse('{"YT":{"a_":[]}}'))};
-(a=>{a["jYafu4r10pnVn5D+MRkYgWNJVv4="]=a.current})($__dart_deferred_initializers__);
+x(A.aab,B.a_)
+x(A.Za,A.aab)
+x(A.aOu,B.aZ)
+x(A.aSI,B.aR)
+y(A.aab,B.aX)})()
+B.b3(b.typeUniverse,JSON.parse('{"Za":{"a_":[]}}'))};
+(a=>{a["2791VWhIhy29/VQfeoE+eSH4WM8="]=a.current})($__dart_deferred_initializers__);