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_13.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={
 b3y(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Yw(v,u)
+u=new A.Yx(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="\u0418\u0437\u0431\u0435\u0440\u0438 \u0432
 break A}if("keyboardToolbar.done"===e){y="\u0413\u043e\u0442\u043e\u0432\u043e"
 break A}y=null
 break A}return y},
-bou(d){return new A.aTq(d)},
-Yw:function Yw(d,e){var _=this
+bou(d){return new A.aTr(d)},
+Yx:function Yx(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aNQ:function aNQ(){},
-aTq:function aTq(d){this.a=d},
-a9x:function a9x(){}}
+aNS:function aNS(){},
+aTr:function aTr(d){this.a=d},
+a9y:function a9y(){}}
 B=c[0]
 A=a.updateHolder(c[9],A)
-A.Yw.prototype={
+A.Yx.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aNQ()}return x},
+x=y.z=new A.aNS()}return x},
 gb9(){return this.r}}
-A.aNQ.prototype={
+A.aNS.prototype={
 gbh(){return"\u0418\u0437\u0440\u0435\u0436\u0438"},
 gbg(){return"\u041a\u043e\u043f\u0438\u0440\u0430\u0439"},
 gbi(){return"\u041f\u043e\u0441\u0442\u0430\u0432\u0438"},
 gbe(){return"\u0418\u0437\u0431\u0435\u0440\u0438 \u0432\u0441\u0438\u0447\u043a\u043e"}}
-A.a9x.prototype={}
+A.a9y.prototype={}
 var z=a.updateTypes([])
-A.aTq.prototype={
+A.aTr.prototype={
 $1(d){return A.bna(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.a9x,B.a_)
-x(A.Yw,A.a9x)
-x(A.aNQ,B.aZ)
-x(A.aTq,B.aR)
-y(A.a9x,B.aX)})()
-B.b3(b.typeUniverse,JSON.parse('{"Yw":{"a_":[]}}'))};
-(a=>{a["iH1Pk46gt175eNX/rbZ2ov7zN7U="]=a.current})($__dart_deferred_initializers__);
+x(A.a9y,B.a_)
+x(A.Yx,A.a9y)
+x(A.aNS,B.aZ)
+x(A.aTr,B.aR)
+y(A.a9y,B.aX)})()
+B.b3(b.typeUniverse,JSON.parse('{"Yx":{"a_":[]}}'))};
+(a=>{a["9MwsU6fFK3vjlOAZzI5MWR9Zg08="]=a.current})($__dart_deferred_initializers__);