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_80.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={
 b4e(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Zc(v,u)
+u=new A.Zd(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="Pilih Semua"
 break A}if("keyboardToolbar.done"===e){y="Selesai"
 break A}y=null
 break A}return y},
-bnK(d){return new A.aSG(d)},
-Zc:function Zc(d,e){var _=this
+bnK(d){return new A.aSH(d)},
+Zd:function Zd(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aOw:function aOw(){},
-aSG:function aSG(d){this.a=d},
-aad:function aad(){}}
+aOy:function aOy(){},
+aSH:function aSH(d){this.a=d},
+aae:function aae(){}}
 B=c[0]
 A=a.updateHolder(c[52],A)
-A.Zc.prototype={
+A.Zd.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aOw()}return x},
+x=y.z=new A.aOy()}return x},
 gb9(){return this.r}}
-A.aOw.prototype={
+A.aOy.prototype={
 gbh(){return"Potong"},
 gbg(){return"Salin"},
 gbi(){return"Tampal"},
 gbe(){return"Pilih Semua"}}
-A.aad.prototype={}
+A.aae.prototype={}
 var z=a.updateTypes([])
-A.aSG.prototype={
+A.aSH.prototype={
 $1(d){return A.bmq(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.aad,B.a_)
-x(A.Zc,A.aad)
-x(A.aOw,B.aZ)
-x(A.aSG,B.aR)
-y(A.aad,B.aX)})()
-B.b3(b.typeUniverse,JSON.parse('{"Zc":{"a_":[]}}'))};
-(a=>{a["TKVxFOYH5lHum2wqM8E324T4LCA="]=a.current})($__dart_deferred_initializers__);
+x(A.aae,B.a_)
+x(A.Zd,A.aae)
+x(A.aOy,B.aZ)
+x(A.aSH,B.aR)
+y(A.aae,B.aX)})()
+B.b3(b.typeUniverse,JSON.parse('{"Zd":{"a_":[]}}'))};
+(a=>{a["OGsDuu6Gz/xcjzLz/B3EDGm4pss="]=a.current})($__dart_deferred_initializers__);