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_90.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={
 b4n(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Zl(v,u)
+u=new A.Zm(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="\u067c\u0648\u0644 \u063a\u0648\u0631\u0647
 break A}if("keyboardToolbar.done"===e){y="\u0633\u0645 \u062f\u06cc"
 break A}y=null
 break A}return y},
-bnA(d){return new A.aSw(d)},
-Zl:function Zl(d,e){var _=this
+bnA(d){return new A.aSx(d)},
+Zm:function Zm(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aOF:function aOF(){},
-aSw:function aSw(d){this.a=d},
-aam:function aam(){}}
+aOH:function aOH(){},
+aSx:function aSx(d){this.a=d},
+aan:function aan(){}}
 B=c[0]
 A=a.updateHolder(c[61],A)
-A.Zl.prototype={
+A.Zm.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aOF()}return x},
+x=y.z=new A.aOH()}return x},
 gb9(){return this.r}}
-A.aOF.prototype={
+A.aOH.prototype={
 gbh(){return"\u067e\u0631\u06d0 \u06a9\u0693\u0626"},
 gbg(){return"\u06a9\u0627\u067e\u064a \u06a9\u0693\u0626"},
 gbi(){return"\u067e\u06cc\u0633\u067c \u06a9\u0693\u0626"},
 gbe(){return"\u067c\u0648\u0644 \u063a\u0648\u0631\u0647 \u06a9\u0693\u0626"}}
-A.aam.prototype={}
+A.aan.prototype={}
 var z=a.updateTypes([])
-A.aSw.prototype={
+A.aSx.prototype={
 $1(d){return A.bmg(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.aam,B.a_)
-x(A.Zl,A.aam)
-x(A.aOF,B.aZ)
-x(A.aSw,B.aR)
-y(A.aam,B.aX)})()
-B.b3(b.typeUniverse,JSON.parse('{"Zl":{"a_":[]}}'))};
-(a=>{a["2xUqTO45kKhTCw3KtQrfPugAB2s="]=a.current})($__dart_deferred_initializers__);
+x(A.aan,B.a_)
+x(A.Zm,A.aan)
+x(A.aOH,B.aZ)
+x(A.aSx,B.aR)
+y(A.aan,B.aX)})()
+B.b3(b.typeUniverse,JSON.parse('{"Zm":{"a_":[]}}'))};
+(a=>{a["MUtxpmwUabO5yFCuzBUqVQMMZ4U="]=a.current})($__dart_deferred_initializers__);