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_73.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={
 b47(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Z5(v,u)
+u=new A.Z6(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="\u0ec0\u0ea5\u0eb7\u0ead\u0e81\u0e97\u0eb1\
 break A}if("keyboardToolbar.done"===e){y="\u0eaa\u0eb3\u0ec0\u0ea5\u0eb1\u0e94"
 break A}y=null
 break A}return y},
-bnR(d){return new A.aSN(d)},
-Z5:function Z5(d,e){var _=this
+bnR(d){return new A.aSO(d)},
+Z6:function Z6(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aOp:function aOp(){},
-aSN:function aSN(d){this.a=d},
-aa6:function aa6(){}}
+aOr:function aOr(){},
+aSO:function aSO(d){this.a=d},
+aa7:function aa7(){}}
 B=c[0]
 A=a.updateHolder(c[45],A)
-A.Z5.prototype={
+A.Z6.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aOp()}return x},
+x=y.z=new A.aOr()}return x},
 gb9(){return this.r}}
-A.aOp.prototype={
+A.aOr.prototype={
 gbh(){return"\u0e95\u0eb1\u0e94"},
 gbg(){return"\u0e84\u0eb1\u0e94\u0ea5\u0ead\u0e81"},
 gbi(){return"\u0ea7\u0eb2\u0e87"},
 gbe(){return"\u0ec0\u0ea5\u0eb7\u0ead\u0e81\u0e97\u0eb1\u0e87\u0edd\u0ebb\u0e94"}}
-A.aa6.prototype={}
+A.aa7.prototype={}
 var z=a.updateTypes([])
-A.aSN.prototype={
+A.aSO.prototype={
 $1(d){return A.bmx(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.aa6,B.a_)
-x(A.Z5,A.aa6)
-x(A.aOp,B.aZ)
-x(A.aSN,B.aR)
-y(A.aa6,B.aX)})()
-B.b3(b.typeUniverse,JSON.parse('{"Z5":{"a_":[]}}'))};
-(a=>{a["BiMZ6uWPVbHMVdcq6TbTApf4hvI="]=a.current})($__dart_deferred_initializers__);
+x(A.aa7,B.a_)
+x(A.Z6,A.aa7)
+x(A.aOr,B.aZ)
+x(A.aSO,B.aR)
+y(A.aa7,B.aX)})()
+B.b3(b.typeUniverse,JSON.parse('{"Z6":{"a_":[]}}'))};
+(a=>{a["ype0vwzusQTbcIPpG6f/e3rbOoM="]=a.current})($__dart_deferred_initializers__);