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_76.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={
 b4a(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Z8(v,u)
+u=new A.Z9(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 \u0441
 break A}if("keyboardToolbar.done"===e){y="\u0413\u043e\u0442\u043e\u0432\u043e"
 break A}y=null
 break A}return y},
-bnO(d){return new A.aSK(d)},
-Z8:function Z8(d,e){var _=this
+bnO(d){return new A.aSL(d)},
+Z9:function Z9(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aOs:function aOs(){},
-aSK:function aSK(d){this.a=d},
-aa9:function aa9(){}}
+aOu:function aOu(){},
+aSL:function aSL(d){this.a=d},
+aaa:function aaa(){}}
 B=c[0]
 A=a.updateHolder(c[48],A)
-A.Z8.prototype={
+A.Z9.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aOs()}return x},
+x=y.z=new A.aOu()}return x},
 gb9(){return this.r}}
-A.aOs.prototype={
+A.aOu.prototype={
 gbh(){return"\u0418\u0441\u0435\u0447\u0438"},
 gbg(){return"\u041a\u043e\u043f\u0438\u0440\u0430\u0458"},
 gbi(){return"\u0417\u0430\u043b\u0435\u043f\u0438"},
 gbe(){return"\u0418\u0437\u0431\u0435\u0440\u0438 \u0441\xe8"}}
-A.aa9.prototype={}
+A.aaa.prototype={}
 var z=a.updateTypes([])
-A.aSK.prototype={
+A.aSL.prototype={
 $1(d){return A.bmu(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.aa9,B.a_)
-x(A.Z8,A.aa9)
-x(A.aOs,B.aZ)
-x(A.aSK,B.aR)
-y(A.aa9,B.aX)})()
-B.b3(b.typeUniverse,JSON.parse('{"Z8":{"a_":[]}}'))};
-(a=>{a["iJOi9Uz9jnZOc4Cu2pWHjcZ4pRk="]=a.current})($__dart_deferred_initializers__);
+x(A.aaa,B.a_)
+x(A.Z9,A.aaa)
+x(A.aOu,B.aZ)
+x(A.aSL,B.aR)
+y(A.aaa,B.aX)})()
+B.b3(b.typeUniverse,JSON.parse('{"Z9":{"a_":[]}}'))};
+(a=>{a["12qkPI70Gy5EHKFXjwQiPMLbjp4="]=a.current})($__dart_deferred_initializers__);