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_86.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={
 b4j(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Zh(v,u)
+u=new A.Zi(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="Merk alt"
 break A}if("keyboardToolbar.done"===e){y="Ferdig"
 break A}y=null
 break A}return y},
-bnE(d){return new A.aSA(d)},
-Zh:function Zh(d,e){var _=this
+bnE(d){return new A.aSB(d)},
+Zi:function Zi(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aOB:function aOB(){},
-aSA:function aSA(d){this.a=d},
-aai:function aai(){}}
+aOD:function aOD(){},
+aSB:function aSB(d){this.a=d},
+aaj:function aaj(){}}
 B=c[0]
 A=a.updateHolder(c[57],A)
-A.Zh.prototype={
+A.Zi.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aOB()}return x},
+x=y.z=new A.aOD()}return x},
 gb9(){return this.r}}
-A.aOB.prototype={
+A.aOD.prototype={
 gbh(){return"Klipp ut"},
 gbg(){return"Kopier"},
 gbi(){return"Lim inn"},
 gbe(){return"Merk alt"}}
-A.aai.prototype={}
+A.aaj.prototype={}
 var z=a.updateTypes([])
-A.aSA.prototype={
+A.aSB.prototype={
 $1(d){return A.bmk(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.aai,B.a_)
-x(A.Zh,A.aai)
-x(A.aOB,B.aZ)
-x(A.aSA,B.aR)
-y(A.aai,B.aX)})()
-B.b3(b.typeUniverse,JSON.parse('{"Zh":{"a_":[]}}'))};
-(a=>{a["0u4TaEtgvswKcUf/RZgZGM6FVGY="]=a.current})($__dart_deferred_initializers__);
+x(A.aaj,B.a_)
+x(A.Zi,A.aaj)
+x(A.aOD,B.aZ)
+x(A.aSB,B.aR)
+y(A.aaj,B.aX)})()
+B.b3(b.typeUniverse,JSON.parse('{"Zi":{"a_":[]}}'))};
+(a=>{a["G28p8Ci5HMInUAQA+T8Nm9RVP/c="]=a.current})($__dart_deferred_initializers__);