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_113.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={
-b39(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Zp(v,u)
-u.bd(d,w,e,w)
+b4J(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
+u=new A.ZH(v,u)
+u.bf(d,w,e,w)
 y=u.a
 x=v.r
 x.toString
 y.r=x
-v.r=A.blz(u)
+v.r=A.bnl(u)
 return u},
-bkf(d,e){var y
+bm1(d,e){var y
 A:{if("timePicker.hours"===e){y="Amahora"
 break A}if("timePicker.minutes"===e){y="Amaminithi"
 break A}if("timePicker.seconds"===e){y="Amasekhondi"
@@ -23,38 +23,38 @@ break A}if("input.selectAll"===e){y="Khetha konke"
 break A}if("keyboardToolbar.done"===e){y="Kuqediwe"
 break A}y=null
 break A}return y},
-blz(d){return new A.aQS(d)},
-Zp:function Zp(d,e){var _=this
+bnl(d){return new A.aSh(d)},
+ZH:function ZH(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aNB:function aNB(){},
-aQS:function aQS(d){this.a=d},
-aaf:function aaf(){}}
+aP0:function aP0(){},
+aSh:function aSh(d){this.a=d},
+aaI:function aaI(){}}
 B=c[0]
 A=a.updateHolder(c[83],A)
-A.Zp.prototype={
+A.ZH.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aNB()}return x},
-gb8(){return this.r}}
-A.aNB.prototype={
-gbg(){return"Sika"},
-gbf(){return"Kopisha"},
-gbh(){return"Namathisela"},
-gbc(){return"Khetha konke"}}
-A.aaf.prototype={}
+x=y.z=new A.aP0()}return x},
+gb9(){return this.r}}
+A.aP0.prototype={
+gbh(){return"Sika"},
+gbg(){return"Kopisha"},
+gbi(){return"Namathisela"},
+gbe(){return"Khetha konke"}}
+A.aaI.prototype={}
 var z=a.updateTypes([])
-A.aQS.prototype={
-$1(d){return A.bkf(this.a,d)},
+A.aSh.prototype={
+$1(d){return A.bm1(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.aaf,B.a_)
-x(A.Zp,A.aaf)
-x(A.aNB,B.aZ)
-x(A.aQS,B.aQ)
-y(A.aaf,B.aW)})()
-B.b3(b.typeUniverse,JSON.parse('{"Zp":{"a_":[]}}'))};
-(a=>{a["iX8Io4vzv4Kv6XBZ2r5TBAdnYsk="]=a.current})($__dart_deferred_initializers__);
+x(A.aaI,B.a_)
+x(A.ZH,A.aaI)
+x(A.aP0,B.aZ)
+x(A.aSh,B.aR)
+y(A.aaI,B.aX)})()
+B.b3(b.typeUniverse,JSON.parse('{"ZH":{"a_":[]}}'))};
+(a=>{a["2bi6XyiDoZsyIl6JKrNkD/BJuZk="]=a.current})($__dart_deferred_initializers__);