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_11.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={
 b3x(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Yv(v,u)
+u=new A.Yw(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="\u0412\u044b\u043b\u0443\u0447\u044b\u0446\
 break A}if("keyboardToolbar.done"===e){y="\u0413\u0430\u0442\u043e\u0432\u0430"
 break A}y=null
 break A}return y},
-bov(d){return new A.aTr(d)},
-Yv:function Yv(d,e){var _=this
+bov(d){return new A.aTs(d)},
+Yw:function Yw(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aNP:function aNP(){},
-aTr:function aTr(d){this.a=d},
-a9w:function a9w(){}}
+aNR:function aNR(){},
+aTs:function aTs(d){this.a=d},
+a9x:function a9x(){}}
 B=c[0]
 A=a.updateHolder(c[8],A)
-A.Yv.prototype={
+A.Yw.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aNP()}return x},
+x=y.z=new A.aNR()}return x},
 gb9(){return this.r}}
-A.aNP.prototype={
+A.aNR.prototype={
 gbh(){return"\u0412\u044b\u0440\u0430\u0437\u0430\u0446\u044c"},
 gbg(){return"\u041a\u0430\u043f\u0456\u044f\u0432\u0430\u0446\u044c"},
 gbi(){return"\u0423\u0441\u0442\u0430\u0432\u0456\u0446\u044c"},
 gbe(){return"\u0412\u044b\u043b\u0443\u0447\u044b\u0446\u044c \u0443\u0441\u0451"}}
-A.a9w.prototype={}
+A.a9x.prototype={}
 var z=a.updateTypes([])
-A.aTr.prototype={
+A.aTs.prototype={
 $1(d){return A.bnb(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.a9w,B.a_)
-x(A.Yv,A.a9w)
-x(A.aNP,B.aZ)
-x(A.aTr,B.aR)
-y(A.a9w,B.aX)})()
-B.b3(b.typeUniverse,JSON.parse('{"Yv":{"a_":[]}}'))};
-(a=>{a["hYIU/6e0+DkMF/hIzR0ceYfObbQ="]=a.current})($__dart_deferred_initializers__);
+x(A.a9x,B.a_)
+x(A.Yw,A.a9x)
+x(A.aNR,B.aZ)
+x(A.aTs,B.aR)
+y(A.a9x,B.aX)})()
+B.b3(b.typeUniverse,JSON.parse('{"Yw":{"a_":[]}}'))};
+(a=>{a["DcmN8FfCsJ80jdPMR4l+R2j2tA8="]=a.current})($__dart_deferred_initializers__);