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_75.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={
 b49(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Z7(v,u)
+u=new A.Z8(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="Atlas\u012bt visu"
 break A}if("keyboardToolbar.done"===e){y="Gatavs"
 break A}y=null
 break A}return y},
-bnP(d){return new A.aSL(d)},
-Z7:function Z7(d,e){var _=this
+bnP(d){return new A.aSM(d)},
+Z8:function Z8(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aOr:function aOr(){},
-aSL:function aSL(d){this.a=d},
-aa8:function aa8(){}}
+aOt:function aOt(){},
+aSM:function aSM(d){this.a=d},
+aa9:function aa9(){}}
 B=c[0]
 A=a.updateHolder(c[47],A)
-A.Z7.prototype={
+A.Z8.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aOr()}return x},
+x=y.z=new A.aOt()}return x},
 gb9(){return this.r}}
-A.aOr.prototype={
+A.aOt.prototype={
 gbh(){return"Izgriezt"},
 gbg(){return"Kop\u0113t"},
 gbi(){return"Iel\u012bm\u0113t"},
 gbe(){return"Atlas\u012bt visu"}}
-A.aa8.prototype={}
+A.aa9.prototype={}
 var z=a.updateTypes([])
-A.aSL.prototype={
+A.aSM.prototype={
 $1(d){return A.bmv(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.aa8,B.a_)
-x(A.Z7,A.aa8)
-x(A.aOr,B.aZ)
-x(A.aSL,B.aR)
-y(A.aa8,B.aX)})()
-B.b3(b.typeUniverse,JSON.parse('{"Z7":{"a_":[]}}'))};
-(a=>{a["U8K1tiwk+PbJ9U2LFZ2E4TbfS5c="]=a.current})($__dart_deferred_initializers__);
+x(A.aa9,B.a_)
+x(A.Z8,A.aa9)
+x(A.aOt,B.aZ)
+x(A.aSM,B.aR)
+y(A.aa9,B.aX)})()
+B.b3(b.typeUniverse,JSON.parse('{"Z8":{"a_":[]}}'))};
+(a=>{a["RK7wlrY6fjFJXZYC/QRNC/vAD/s="]=a.current})($__dart_deferred_initializers__);