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_66.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={
 b42(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Z0(v,u)
+u=new A.Z1(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="\u0411\u0430\u0440\u043b\u044b\u0493\u044b\
 break A}if("keyboardToolbar.done"===e){y="\u0414\u0430\u0439\u044b\u043d"
 break A}y=null
 break A}return y},
-bnX(d){return new A.aST(d)},
-Z0:function Z0(d,e){var _=this
+bnX(d){return new A.aSU(d)},
+Z1:function Z1(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aOk:function aOk(){},
-aST:function aST(d){this.a=d},
-aa1:function aa1(){}}
+aOm:function aOm(){},
+aSU:function aSU(d){this.a=d},
+aa2:function aa2(){}}
 B=c[0]
 A=a.updateHolder(c[40],A)
-A.Z0.prototype={
+A.Z1.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aOk()}return x},
+x=y.z=new A.aOm()}return x},
 gb9(){return this.r}}
-A.aOk.prototype={
+A.aOm.prototype={
 gbh(){return"\u041a\u0435\u0441\u0443"},
 gbg(){return"\u041a\u04e9\u0448\u0456\u0440\u0443"},
 gbi(){return"\u049a\u043e\u044e"},
 gbe(){return"\u0411\u0430\u0440\u043b\u044b\u0493\u044b\u043d \u0442\u0430\u04a3\u0434\u0430\u0443"}}
-A.aa1.prototype={}
+A.aa2.prototype={}
 var z=a.updateTypes([])
-A.aST.prototype={
+A.aSU.prototype={
 $1(d){return A.bmD(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.aa1,B.a_)
-x(A.Z0,A.aa1)
-x(A.aOk,B.aZ)
-x(A.aST,B.aR)
-y(A.aa1,B.aX)})()
-B.b3(b.typeUniverse,JSON.parse('{"Z0":{"a_":[]}}'))};
-(a=>{a["8S6ol4yVBOhGxDVYo2hl3X9qA8A="]=a.current})($__dart_deferred_initializers__);
+x(A.aa2,B.a_)
+x(A.Z1,A.aa2)
+x(A.aOm,B.aZ)
+x(A.aSU,B.aR)
+y(A.aa2,B.aX)})()
+B.b3(b.typeUniverse,JSON.parse('{"Z1":{"a_":[]}}'))};
+(a=>{a["QQ6uHFRaP6qH9Ro+ZMmPzdEKr+k="]=a.current})($__dart_deferred_initializers__);