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_5.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={
-b1U(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Y9(v,u)
-u.bd(d,w,e,w)
+b3t(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
+u=new A.Yr(v,u)
+u.bf(d,w,e,w)
 y=u.a
 x=v.r
 x.toString
 y.r=x
-v.r=A.bmN(u)
+v.r=A.boz(u)
 return u},
-blt(d,e){var y
+bnf(d,e){var y
 A:{if("timePicker.hours"===e){y="\u1230\u12d3\u1276\u127d"
 break A}if("timePicker.minutes"===e){y="\u12f0\u1242\u1243\u12ce\u127d"
 break A}if("timePicker.seconds"===e){y="\u1230\u12a8\u1295\u12f6\u127d"
@@ -23,38 +23,38 @@ break A}if("input.selectAll"===e){y="\u1201\u1209\u1295\u121d \u12ed\u121d\u1228
 break A}if("keyboardToolbar.done"===e){y="\u1270\u12a8\u1293\u12cd\u1297\u120d"
 break A}y=null
 break A}return y},
-bmN(d){return new A.aS5(d)},
-Y9:function Y9(d,e){var _=this
+boz(d){return new A.aTv(d)},
+Yr:function Yr(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aMl:function aMl(){},
-aS5:function aS5(d){this.a=d},
-a9_:function a9_(){}}
+aNL:function aNL(){},
+aTv:function aTv(d){this.a=d},
+a9s:function a9s(){}}
 B=c[0]
 A=a.updateHolder(c[4],A)
-A.Y9.prototype={
+A.Yr.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aMl()}return x},
-gb8(){return this.r}}
-A.aMl.prototype={
-gbg(){return"\u1241\u1228\u1325"},
-gbf(){return"\u1245\u12f3"},
-gbh(){return"\u1208\u1325\u134d"},
-gbc(){return"\u1201\u1209\u1295\u121d \u12ed\u121d\u1228\u1321"}}
-A.a9_.prototype={}
+x=y.z=new A.aNL()}return x},
+gb9(){return this.r}}
+A.aNL.prototype={
+gbh(){return"\u1241\u1228\u1325"},
+gbg(){return"\u1245\u12f3"},
+gbi(){return"\u1208\u1325\u134d"},
+gbe(){return"\u1201\u1209\u1295\u121d \u12ed\u121d\u1228\u1321"}}
+A.a9s.prototype={}
 var z=a.updateTypes([])
-A.aS5.prototype={
-$1(d){return A.blt(this.a,d)},
+A.aTv.prototype={
+$1(d){return A.bnf(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.a9_,B.a_)
-x(A.Y9,A.a9_)
-x(A.aMl,B.aZ)
-x(A.aS5,B.aQ)
-y(A.a9_,B.aW)})()
-B.b3(b.typeUniverse,JSON.parse('{"Y9":{"a_":[]}}'))};
-(a=>{a["EfTp+xqVGBa6FxGjWJospYDJBD8="]=a.current})($__dart_deferred_initializers__);
+x(A.a9s,B.a_)
+x(A.Yr,A.a9s)
+x(A.aNL,B.aZ)
+x(A.aTv,B.aR)
+y(A.a9s,B.aX)})()
+B.b3(b.typeUniverse,JSON.parse('{"Yr":{"a_":[]}}'))};
+(a=>{a["+v5G/UzzTLd6kkx919YSC0TA3fw="]=a.current})($__dart_deferred_initializers__);