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_1.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={
 b3s(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Yq(v,u)
+u=new A.Yr(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="Kies alles"
 break A}if("keyboardToolbar.done"===e){y="Klaar"
 break A}y=null
 break A}return y},
-boB(d){return new A.aTx(d)},
-Yq:function Yq(d,e){var _=this
+boB(d){return new A.aTy(d)},
+Yr:function Yr(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aNK:function aNK(){},
-aTx:function aTx(d){this.a=d},
-a9r:function a9r(){}}
+aNM:function aNM(){},
+aTy:function aTy(d){this.a=d},
+a9s:function a9s(){}}
 B=c[0]
 A=a.updateHolder(c[3],A)
-A.Yq.prototype={
+A.Yr.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aNK()}return x},
+x=y.z=new A.aNM()}return x},
 gb9(){return this.r}}
-A.aNK.prototype={
+A.aNM.prototype={
 gbh(){return"Knip"},
 gbg(){return"Kopieer"},
 gbi(){return"Plak"},
 gbe(){return"Kies alles"}}
-A.a9r.prototype={}
+A.a9s.prototype={}
 var z=a.updateTypes([])
-A.aTx.prototype={
+A.aTy.prototype={
 $1(d){return A.bnh(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.a9r,B.a_)
-x(A.Yq,A.a9r)
-x(A.aNK,B.aZ)
-x(A.aTx,B.aR)
-y(A.a9r,B.aX)})()
-B.b3(b.typeUniverse,JSON.parse('{"Yq":{"a_":[]}}'))};
-(a=>{a["VFXv5+9Y9u/5P5VDevTDdNYE0SA="]=a.current})($__dart_deferred_initializers__);
+x(A.a9s,B.a_)
+x(A.Yr,A.a9s)
+x(A.aNM,B.aZ)
+x(A.aTy,B.aR)
+y(A.a9s,B.aX)})()
+B.b3(b.typeUniverse,JSON.parse('{"Yr":{"a_":[]}}'))};
+(a=>{a["1hZOi+mOAASumATn33f1cr8KmYU="]=a.current})($__dart_deferred_initializers__);