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_99.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={
-b2X(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Zc(v,u)
-u.bd(d,w,e,w)
+b4w(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
+u=new A.Zu(v,u)
+u.bf(d,w,e,w)
 y=u.a
 x=v.r
 x.toString
 y.r=x
-v.r=A.blE(u)
+v.r=A.bnq(u)
 return u},
-bkk(d,e){var y
+bm6(d,e){var y
 A:{if("timePicker.hours"===e){y="Timmar"
 break A}if("timePicker.minutes"===e){y="Minuter"
 break A}if("timePicker.seconds"===e){y="Sekunder"
@@ -23,38 +23,38 @@ break A}if("input.selectAll"===e){y="Markera allt"
 break A}if("keyboardToolbar.done"===e){y="Klar"
 break A}y=null
 break A}return y},
-blE(d){return new A.aQX(d)},
-Zc:function Zc(d,e){var _=this
+bnq(d){return new A.aSm(d)},
+Zu:function Zu(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aNo:function aNo(){},
-aQX:function aQX(d){this.a=d},
-aa2:function aa2(){}}
+aOO:function aOO(){},
+aSm:function aSm(d){this.a=d},
+aav:function aav(){}}
 B=c[0]
 A=a.updateHolder(c[70],A)
-A.Zc.prototype={
+A.Zu.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aNo()}return x},
-gb8(){return this.r}}
-A.aNo.prototype={
-gbg(){return"Klipp ut"},
-gbf(){return"Kopiera"},
-gbh(){return"Klistra in"},
-gbc(){return"Markera allt"}}
-A.aa2.prototype={}
+x=y.z=new A.aOO()}return x},
+gb9(){return this.r}}
+A.aOO.prototype={
+gbh(){return"Klipp ut"},
+gbg(){return"Kopiera"},
+gbi(){return"Klistra in"},
+gbe(){return"Markera allt"}}
+A.aav.prototype={}
 var z=a.updateTypes([])
-A.aQX.prototype={
-$1(d){return A.bkk(this.a,d)},
+A.aSm.prototype={
+$1(d){return A.bm6(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.aa2,B.a_)
-x(A.Zc,A.aa2)
-x(A.aNo,B.aZ)
-x(A.aQX,B.aQ)
-y(A.aa2,B.aW)})()
-B.b3(b.typeUniverse,JSON.parse('{"Zc":{"a_":[]}}'))};
-(a=>{a["YQxaGM8yLr/pJPcgAxvc6Ms285U="]=a.current})($__dart_deferred_initializers__);
+x(A.aav,B.a_)
+x(A.Zu,A.aav)
+x(A.aOO,B.aZ)
+x(A.aSm,B.aR)
+y(A.aav,B.aX)})()
+B.b3(b.typeUniverse,JSON.parse('{"Zu":{"a_":[]}}'))};
+(a=>{a["lFrXcdMek4UkxHpoSOc5GTuQRVE="]=a.current})($__dart_deferred_initializers__);