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_46.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={
 b3O(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.YM(v,u)
+u=new A.YN(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="Tout s\xe9lectionner"
 break A}if("keyboardToolbar.done"===e){y="Termin\xe9"
 break A}y=null
 break A}return y},
-boc(d){return new A.aT8(d)},
-YM:function YM(d,e){var _=this
+boc(d){return new A.aT9(d)},
+YN:function YN(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aO5:function aO5(){},
-aT8:function aT8(d){this.a=d},
-a9N:function a9N(){}}
+aO7:function aO7(){},
+aT9:function aT9(d){this.a=d},
+a9O:function a9O(){}}
 B=c[0]
 A=a.updateHolder(c[25],A)
-A.YM.prototype={
+A.YN.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aO5()}return x},
+x=y.z=new A.aO7()}return x},
 gb9(){return this.r}}
-A.aO5.prototype={
+A.aO7.prototype={
 gbh(){return"Couper"},
 gbg(){return"Copier"},
 gbi(){return"Coller"},
 gbe(){return"Tout s\xe9lectionner"}}
-A.a9N.prototype={}
+A.a9O.prototype={}
 var z=a.updateTypes([])
-A.aT8.prototype={
+A.aT9.prototype={
 $1(d){return A.bmT(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.a9N,B.a_)
-x(A.YM,A.a9N)
-x(A.aO5,B.aZ)
-x(A.aT8,B.aR)
-y(A.a9N,B.aX)})()
-B.b3(b.typeUniverse,JSON.parse('{"YM":{"a_":[]}}'))};
-(a=>{a["pop9GeLFmBwcX0wHa9vaA3jlFcw="]=a.current})($__dart_deferred_initializers__);
+x(A.a9O,B.a_)
+x(A.YN,A.a9O)
+x(A.aO7,B.aZ)
+x(A.aT9,B.aR)
+y(A.a9O,B.aX)})()
+B.b3(b.typeUniverse,JSON.parse('{"YN":{"a_":[]}}'))};
+(a=>{a["b+Gc38mOhe3Wjl/UOFrLsndXl5o="]=a.current})($__dart_deferred_initializers__);