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_85.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={
 b4i(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Zg(v,u)
+u=new A.Zh(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="Alles selecteren"
 break A}if("keyboardToolbar.done"===e){y="Gereed"
 break A}y=null
 break A}return y},
-bnF(d){return new A.aSB(d)},
-Zg:function Zg(d,e){var _=this
+bnF(d){return new A.aSC(d)},
+Zh:function Zh(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aOA:function aOA(){},
-aSB:function aSB(d){this.a=d},
-aah:function aah(){}}
+aOC:function aOC(){},
+aSC:function aSC(d){this.a=d},
+aai:function aai(){}}
 B=c[0]
 A=a.updateHolder(c[56],A)
-A.Zg.prototype={
+A.Zh.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aOA()}return x},
+x=y.z=new A.aOC()}return x},
 gb9(){return this.r}}
-A.aOA.prototype={
+A.aOC.prototype={
 gbh(){return"Knippen"},
 gbg(){return"Kopi\xebren"},
 gbi(){return"Plakken"},
 gbe(){return"Alles selecteren"}}
-A.aah.prototype={}
+A.aai.prototype={}
 var z=a.updateTypes([])
-A.aSB.prototype={
+A.aSC.prototype={
 $1(d){return A.bml(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.aah,B.a_)
-x(A.Zg,A.aah)
-x(A.aOA,B.aZ)
-x(A.aSB,B.aR)
-y(A.aah,B.aX)})()
-B.b3(b.typeUniverse,JSON.parse('{"Zg":{"a_":[]}}'))};
-(a=>{a["icVl9SFgRQibyweh9OGj4jU/i0k="]=a.current})($__dart_deferred_initializers__);
+x(A.aai,B.a_)
+x(A.Zh,A.aai)
+x(A.aOC,B.aZ)
+x(A.aSC,B.aR)
+y(A.aai,B.aX)})()
+B.b3(b.typeUniverse,JSON.parse('{"Zh":{"a_":[]}}'))};
+(a=>{a["IA3bwLtNoVYDO1uamfynE10p98o="]=a.current})($__dart_deferred_initializers__);