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_19.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={
-b20(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Yg(v,u)
-u.bd(d,w,e,w)
+b3A(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
+u=new A.Yy(v,u)
+u.bf(d,w,e,w)
 y=u.a
 x=v.r
 x.toString
 y.r=x
-v.r=A.bmG(u)
+v.r=A.bos(u)
 return u},
-blm(d,e){var y
+bn8(d,e){var y
 A:{if("timePicker.hours"===e){y="\u0f46\u0f74\u0f0b\u0f5a\u0f7c\u0f51\u0f0d"
 break A}if("timePicker.minutes"===e){y="\u0f66\u0f90\u0f62\u0f0b\u0f58\u0f0d"
 break A}if("timePicker.seconds"===e){y="\u0f66\u0f90\u0f62\u0f0b\u0f46\u0f0d"
@@ -23,38 +23,38 @@ break A}if("input.selectAll"===e){y="\u0f5a\u0f44\u0f0b\u0f58\u0f0b\u0f60\u0f51\
 break A}if("keyboardToolbar.done"===e){y="\u0f60\u0f42\u0fb2\u0f74\u0f56\u0f0d"
 break A}y=null
 break A}return y},
-bmG(d){return new A.aRZ(d)},
-Yg:function Yg(d,e){var _=this
+bos(d){return new A.aTo(d)},
+Yy:function Yy(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aMs:function aMs(){},
-aRZ:function aRZ(d){this.a=d},
-a96:function a96(){}}
+aNS:function aNS(){},
+aTo:function aTo(d){this.a=d},
+a9z:function a9z(){}}
 B=c[0]
 A=a.updateHolder(c[11],A)
-A.Yg.prototype={
+A.Yy.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aMs()}return x},
-gb8(){return this.r}}
-A.aMs.prototype={
-gbg(){return"\u0f42\u0f45\u0f7c\u0f51\u0f0d"},
-gbf(){return"\u0f56\u0f7a\u0f51\u0f0b\u0f66\u0fa4\u0fb1\u0f7c\u0f51\u0f0d"},
-gbh(){return"\u0f66\u0fa6\u0fb1\u0f62\u0f0d"},
-gbc(){return"\u0f5a\u0f44\u0f0b\u0f58\u0f0b\u0f60\u0f51\u0f7a\u0f58\u0f66\u0f0d"}}
-A.a96.prototype={}
+x=y.z=new A.aNS()}return x},
+gb9(){return this.r}}
+A.aNS.prototype={
+gbh(){return"\u0f42\u0f45\u0f7c\u0f51\u0f0d"},
+gbg(){return"\u0f56\u0f7a\u0f51\u0f0b\u0f66\u0fa4\u0fb1\u0f7c\u0f51\u0f0d"},
+gbi(){return"\u0f66\u0fa6\u0fb1\u0f62\u0f0d"},
+gbe(){return"\u0f5a\u0f44\u0f0b\u0f58\u0f0b\u0f60\u0f51\u0f7a\u0f58\u0f66\u0f0d"}}
+A.a9z.prototype={}
 var z=a.updateTypes([])
-A.aRZ.prototype={
-$1(d){return A.blm(this.a,d)},
+A.aTo.prototype={
+$1(d){return A.bn8(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.a96,B.a_)
-x(A.Yg,A.a96)
-x(A.aMs,B.aZ)
-x(A.aRZ,B.aQ)
-y(A.a96,B.aW)})()
-B.b3(b.typeUniverse,JSON.parse('{"Yg":{"a_":[]}}'))};
-(a=>{a["wRtFrGO/OyfRwU0T23rPgDw4HFE="]=a.current})($__dart_deferred_initializers__);
+x(A.a9z,B.a_)
+x(A.Yy,A.a9z)
+x(A.aNS,B.aZ)
+x(A.aTo,B.aR)
+y(A.a9z,B.aX)})()
+B.b3(b.typeUniverse,JSON.parse('{"Yy":{"a_":[]}}'))};
+(a=>{a["/r9IeRnqNioEgRMIGVLlK8yKjmA="]=a.current})($__dart_deferred_initializers__);