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_18.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={
-b2_(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Yf(v,u)
-u.bd(d,w,e,w)
+b3z(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
+u=new A.Yx(v,u)
+u.bf(d,w,e,w)
 y=u.a
 x=v.r
 x.toString
 y.r=x
-v.r=A.bmH(u)
+v.r=A.bot(u)
 return u},
-bln(d,e){var y
+bn9(d,e){var y
 A:{if("timePicker.hours"===e){y="\u0998\u09a3\u09cd\u099f\u09be"
 break A}if("timePicker.minutes"===e){y="\u09ae\u09bf\u09a8\u09bf\u099f"
 break A}if("timePicker.seconds"===e){y="\u09b8\u09c7\u0995\u09c7\u09a8\u09cd\u09a1"
@@ -23,38 +23,38 @@ break A}if("input.selectAll"===e){y="\u09b8\u09ac \u09a8\u09bf\u09b0\u09cd\u09ac
 break A}if("keyboardToolbar.done"===e){y="\u09b8\u09ae\u09cd\u09aa\u09a8\u09cd\u09a8"
 break A}y=null
 break A}return y},
-bmH(d){return new A.aS_(d)},
-Yf:function Yf(d,e){var _=this
+bot(d){return new A.aTp(d)},
+Yx:function Yx(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aMr:function aMr(){},
-aS_:function aS_(d){this.a=d},
-a95:function a95(){}}
+aNR:function aNR(){},
+aTp:function aTp(d){this.a=d},
+a9y:function a9y(){}}
 B=c[0]
 A=a.updateHolder(c[10],A)
-A.Yf.prototype={
+A.Yx.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aMr()}return x},
-gb8(){return this.r}}
-A.aMr.prototype={
-gbg(){return"\u0995\u09be\u099f"},
-gbf(){return"\u0995\u09aa\u09bf"},
-gbh(){return"\u09aa\u09c7\u09b8\u09cd\u099f"},
-gbc(){return"\u09b8\u09ac \u09a8\u09bf\u09b0\u09cd\u09ac\u09be\u099a\u09a8 \u0995\u09b0\u09c1\u09a8"}}
-A.a95.prototype={}
+x=y.z=new A.aNR()}return x},
+gb9(){return this.r}}
+A.aNR.prototype={
+gbh(){return"\u0995\u09be\u099f"},
+gbg(){return"\u0995\u09aa\u09bf"},
+gbi(){return"\u09aa\u09c7\u09b8\u09cd\u099f"},
+gbe(){return"\u09b8\u09ac \u09a8\u09bf\u09b0\u09cd\u09ac\u09be\u099a\u09a8 \u0995\u09b0\u09c1\u09a8"}}
+A.a9y.prototype={}
 var z=a.updateTypes([])
-A.aS_.prototype={
-$1(d){return A.bln(this.a,d)},
+A.aTp.prototype={
+$1(d){return A.bn9(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.a95,B.a_)
-x(A.Yf,A.a95)
-x(A.aMr,B.aZ)
-x(A.aS_,B.aQ)
-y(A.a95,B.aW)})()
-B.b3(b.typeUniverse,JSON.parse('{"Yf":{"a_":[]}}'))};
-(a=>{a["qu5ebbBfj7A5nJC0YTIYMTbbWGk="]=a.current})($__dart_deferred_initializers__);
+x(A.a9y,B.a_)
+x(A.Yx,A.a9y)
+x(A.aNR,B.aZ)
+x(A.aTp,B.aR)
+y(A.a9y,B.aX)})()
+B.b3(b.typeUniverse,JSON.parse('{"Yx":{"a_":[]}}'))};
+(a=>{a["p2R/PA8L+FkhH3r3v//Ho0IXzN4="]=a.current})($__dart_deferred_initializers__);