feat: 为划转页面切换按钮添加旋转动画

- 添加 180° 旋转动画效果
- 使用 CurvedAnimation 实现平滑过渡
- 动画时长 300ms，使用 easeInOut 曲线
- 提升用户体验，交互更流畅自然

flutter_monisuo/build/web/main.dart.js_92.part.js

@@ -1,7 +1,7 @@
 ((a,b)=>{a[b]=a[b]||{}})(self,"$__dart_deferred_initializers__")
 $__dart_deferred_initializers__.current=function(a,b,c,$){var B,A={
 b4p(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Zn(v,u)
+u=new A.Zo(v,u)
 u.bf(d,w,e,w)
 y=u.a
 x=v.r
@@ -23,38 +23,38 @@ break A}if("input.selectAll"===e){y="Selecteaz\u0103 tot"
 break A}if("keyboardToolbar.done"===e){y="Terminat"
 break A}y=null
 break A}return y},
-bny(d){return new A.aSu(d)},
-Zn:function Zn(d,e){var _=this
+bny(d){return new A.aSv(d)},
+Zo:function Zo(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aOH:function aOH(){},
-aSu:function aSu(d){this.a=d},
-aao:function aao(){}}
+aOJ:function aOJ(){},
+aSv:function aSv(d){this.a=d},
+aap:function aap(){}}
 B=c[0]
 A=a.updateHolder(c[63],A)
-A.Zn.prototype={
+A.Zo.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aOH()}return x},
+x=y.z=new A.aOJ()}return x},
 gb9(){return this.r}}
-A.aOH.prototype={
+A.aOJ.prototype={
 gbh(){return"Taie"},
 gbg(){return"Copiaz\u0103"},
 gbi(){return"Lipe\u0219te"},
 gbe(){return"Selecteaz\u0103 tot"}}
-A.aao.prototype={}
+A.aap.prototype={}
 var z=a.updateTypes([])
-A.aSu.prototype={
+A.aSv.prototype={
 $1(d){return A.bme(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.aao,B.a_)
-x(A.Zn,A.aao)
-x(A.aOH,B.aZ)
-x(A.aSu,B.aR)
-y(A.aao,B.aX)})()
-B.b3(b.typeUniverse,JSON.parse('{"Zn":{"a_":[]}}'))};
-(a=>{a["dQMuL0XG4gXByqC/OYLfKY79ShY="]=a.current})($__dart_deferred_initializers__);
+x(A.aap,B.a_)
+x(A.Zo,A.aap)
+x(A.aOJ,B.aZ)
+x(A.aSv,B.aR)
+y(A.aap,B.aX)})()
+B.b3(b.typeUniverse,JSON.parse('{"Zo":{"a_":[]}}'))};
+(a=>{a["tQpKL82sst2uPBKQ53g/2nt4Z5k="]=a.current})($__dart_deferred_initializers__);