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_20.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={
 b3B(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Yz(v,u)
+u=new A.YA(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="Odaberi sve"
 break A}if("keyboardToolbar.done"===e){y="Gotovo"
 break A}y=null
 break A}return y},
-bor(d){return new A.aTn(d)},
-Yz:function Yz(d,e){var _=this
+bor(d){return new A.aTo(d)},
+YA:function YA(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aNT:function aNT(){},
-aTn:function aTn(d){this.a=d},
-a9A:function a9A(){}}
+aNV:function aNV(){},
+aTo:function aTo(d){this.a=d},
+a9B:function a9B(){}}
 B=c[0]
 A=a.updateHolder(c[12],A)
-A.Yz.prototype={
+A.YA.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aNT()}return x},
+x=y.z=new A.aNV()}return x},
 gb9(){return this.r}}
-A.aNT.prototype={
+A.aNV.prototype={
 gbh(){return"Izre\u017ei"},
 gbg(){return"Kopiraj"},
 gbi(){return"Zalijepi"},
 gbe(){return"Odaberi sve"}}
-A.a9A.prototype={}
+A.a9B.prototype={}
 var z=a.updateTypes([])
-A.aTn.prototype={
+A.aTo.prototype={
 $1(d){return A.bn7(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.a9A,B.a_)
-x(A.Yz,A.a9A)
-x(A.aNT,B.aZ)
-x(A.aTn,B.aR)
-y(A.a9A,B.aX)})()
-B.b3(b.typeUniverse,JSON.parse('{"Yz":{"a_":[]}}'))};
-(a=>{a["cL5YUEeVkJtNmoiqEqcxq5yVebo="]=a.current})($__dart_deferred_initializers__);
+x(A.a9B,B.a_)
+x(A.YA,A.a9B)
+x(A.aNV,B.aZ)
+x(A.aTo,B.aR)
+y(A.a9B,B.aX)})()
+B.b3(b.typeUniverse,JSON.parse('{"YA":{"a_":[]}}'))};
+(a=>{a["/V1uNjYaLJI2cjjsda7sdCJEi/M="]=a.current})($__dart_deferred_initializers__);