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_60.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={
 b4_(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.YY(v,u)
+u=new A.YZ(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="Seleziona tutto"
 break A}if("keyboardToolbar.done"===e){y="Fine"
 break A}y=null
 break A}return y},
-bo_(d){return new A.aSW(d)},
-YY:function YY(d,e){var _=this
+bo_(d){return new A.aSX(d)},
+YZ:function YZ(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aOh:function aOh(){},
-aSW:function aSW(d){this.a=d},
-a9Z:function a9Z(){}}
+aOj:function aOj(){},
+aSX:function aSX(d){this.a=d},
+aa_:function aa_(){}}
 B=c[0]
 A=a.updateHolder(c[37],A)
-A.YY.prototype={
+A.YZ.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){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"Taglia"},
 gbg(){return"Copia"},
 gbi(){return"Incolla"},
 gbe(){return"Seleziona tutto"}}
-A.a9Z.prototype={}
+A.aa_.prototype={}
 var z=a.updateTypes([])
-A.aSW.prototype={
+A.aSX.prototype={
 $1(d){return A.bmG(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.a9Z,B.a_)
-x(A.YY,A.a9Z)
-x(A.aOh,B.aZ)
-x(A.aSW,B.aR)
-y(A.a9Z,B.aX)})()
-B.b3(b.typeUniverse,JSON.parse('{"YY":{"a_":[]}}'))};
-(a=>{a["vMaojaIZ9+ZUcdK6Vl8k8OzPoUI="]=a.current})($__dart_deferred_initializers__);
+x(A.aa_,B.a_)
+x(A.YZ,A.aa_)
+x(A.aOj,B.aZ)
+x(A.aSX,B.aR)
+y(A.aa_,B.aX)})()
+B.b3(b.typeUniverse,JSON.parse('{"YZ":{"a_":[]}}'))};
+(a=>{a["cHh+AUK6+MuzxXqgEjo7WyVMcFs="]=a.current})($__dart_deferred_initializers__);