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_97.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={
 b4u(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Zs(v,u)
+u=new A.Zt(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="Zgjidh t\xeb gjitha"
 break A}if("keyboardToolbar.done"===e){y="U krye"
 break A}y=null
 break A}return y},
-bns(d){return new A.aSo(d)},
-Zs:function Zs(d,e){var _=this
+bns(d){return new A.aSp(d)},
+Zt:function Zt(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aOM:function aOM(){},
-aSo:function aSo(d){this.a=d},
-aat:function aat(){}}
+aOO:function aOO(){},
+aSp:function aSp(d){this.a=d},
+aau:function aau(){}}
 B=c[0]
 A=a.updateHolder(c[68],A)
-A.Zs.prototype={
+A.Zt.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aOM()}return x},
+x=y.z=new A.aOO()}return x},
 gb9(){return this.r}}
-A.aOM.prototype={
+A.aOO.prototype={
 gbh(){return"Prit"},
 gbg(){return"Kopjo"},
 gbi(){return"Ngjit"},
 gbe(){return"Zgjidh t\xeb gjitha"}}
-A.aat.prototype={}
+A.aau.prototype={}
 var z=a.updateTypes([])
-A.aSo.prototype={
+A.aSp.prototype={
 $1(d){return A.bm8(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.aat,B.a_)
-x(A.Zs,A.aat)
-x(A.aOM,B.aZ)
-x(A.aSo,B.aR)
-y(A.aat,B.aX)})()
-B.b3(b.typeUniverse,JSON.parse('{"Zs":{"a_":[]}}'))};
-(a=>{a["oyRhQa4nHLW/7kwU7vyhqC1NioM="]=a.current})($__dart_deferred_initializers__);
+x(A.aau,B.a_)
+x(A.Zt,A.aau)
+x(A.aOO,B.aZ)
+x(A.aSp,B.aR)
+y(A.aau,B.aX)})()
+B.b3(b.typeUniverse,JSON.parse('{"Zt":{"a_":[]}}'))};
+(a=>{a["Vqg0ZUXSFPcpCrbLhAYu6d6oFWQ="]=a.current})($__dart_deferred_initializers__);