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_112.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={
-b38(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Zo(v,u)
-u.bd(d,w,e,w)
+b4I(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
+u=new A.ZG(v,u)
+u.bf(d,w,e,w)
 y=u.a
 x=v.r
 x.toString
 y.r=x
-v.r=A.blA(u)
+v.r=A.bnm(u)
 return u},
-bkg(d,e){var y
+bm2(d,e){var y
 A:{if("timePicker.hours"===e){y="\u65f6"
 break A}if("timePicker.minutes"===e){y="\u5206"
 break A}if("timePicker.seconds"===e){y="\u79d2"
@@ -23,38 +23,38 @@ break A}if("input.selectAll"===e){y="\u5168\u9009"
 break A}if("keyboardToolbar.done"===e){y="\u5b8c\u6210"
 break A}y=null
 break A}return y},
-blA(d){return new A.aQT(d)},
-Zo:function Zo(d,e){var _=this
+bnm(d){return new A.aSi(d)},
+ZG:function ZG(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aNA:function aNA(){},
-aQT:function aQT(d){this.a=d},
-aae:function aae(){}}
+aP_:function aP_(){},
+aSi:function aSi(d){this.a=d},
+aaH:function aaH(){}}
 B=c[0]
 A=a.updateHolder(c[82],A)
-A.Zo.prototype={
+A.ZG.prototype={
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 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aNA()}return x},
-gb8(){return this.r}}
-A.aNA.prototype={
-gbg(){return"\u526a\u5207"},
-gbf(){return"\u590d\u5236"},
-gbh(){return"\u7c98\u8d34"},
-gbc(){return"\u5168\u9009"}}
-A.aae.prototype={}
+x=y.z=new A.aP_()}return x},
+gb9(){return this.r}}
+A.aP_.prototype={
+gbh(){return"\u526a\u5207"},
+gbg(){return"\u590d\u5236"},
+gbi(){return"\u7c98\u8d34"},
+gbe(){return"\u5168\u9009"}}
+A.aaH.prototype={}
 var z=a.updateTypes([])
-A.aQT.prototype={
-$1(d){return A.bkg(this.a,d)},
+A.aSi.prototype={
+$1(d){return A.bm2(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.aae,B.a_)
-x(A.Zo,A.aae)
-x(A.aNA,B.aZ)
-x(A.aQT,B.aQ)
-y(A.aae,B.aW)})()
-B.b3(b.typeUniverse,JSON.parse('{"Zo":{"a_":[]}}'))};
-(a=>{a["VoVPOgLxZSwNwKjNZwlfeRa9spo="]=a.current})($__dart_deferred_initializers__);
+x(A.aaH,B.a_)
+x(A.ZG,A.aaH)
+x(A.aP_,B.aZ)
+x(A.aSi,B.aR)
+y(A.aaH,B.aX)})()
+B.b3(b.typeUniverse,JSON.parse('{"ZG":{"a_":[]}}'))};
+(a=>{a["sWvW2lJpHvjLWbJWEhkQq1w5zkc="]=a.current})($__dart_deferred_initializers__);