代码优化，功能新增

lib/widgets/animated_star_rating.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 
-/// 带动画的星级评分组件 — 星星依次亮起 + 数字滚动
-class AnimatedStarRating extends StatefulWidget {
+/// 静态星级评分组件
+class AnimatedStarRating extends StatelessWidget {
   final double rating;
   final double starSize;
   final Color color;
@@ -15,48 +15,10 @@ class AnimatedStarRating extends StatefulWidget {
     this.showNumber = false,
   });
 
-  @override
-  State<AnimatedStarRating> createState() => _AnimatedStarRatingState();
-}
-
-class _AnimatedStarRatingState extends State<AnimatedStarRating>
-    with SingleTickerProviderStateMixin {
-  late AnimationController _controller;
-  late List<Animation<double>> _animations;
-  late Animation<double> _numberAnim;
-
-  @override
-  void initState() {
-    super.initState();
-    _controller = AnimationController(
-      vsync: this,
-      duration: const Duration(milliseconds: 600),
-    );
-    _animations = List.generate(5, (i) {
-      return CurvedAnimation(
-        parent: _controller,
-        curve: Interval(i * 0.12, (i * 0.12) + 0.35, curve: Curves.easeOutBack),
-      );
-    });
-    _numberAnim = Tween<double>(begin: 0, end: widget.rating).animate(
-      CurvedAnimation(
-        parent: _controller,
-        curve: const Interval(0.1, 0.8, curve: Curves.easeOut),
-      ),
-    );
-    _controller.forward();
-  }
-
-  @override
-  void dispose() {
-    _controller.dispose();
-    super.dispose();
-  }
-
   @override
   Widget build(BuildContext context) {
     final colors = Theme.of(context).colorScheme;
-    final starValue = widget.rating / 2;
+    final starValue = rating / 2;
     return Row(
       mainAxisSize: MainAxisSize.min,
       children: [
@@ -70,25 +32,17 @@ class _AnimatedStarRatingState extends State<AnimatedStarRating>
           } else {
             iconData = Icons.star_border;
           }
-          return ScaleTransition(
-            scale: _animations[index],
-            child: Icon(iconData, size: widget.starSize, color: widget.color),
-          );
+          return Icon(iconData, size: starSize, color: color);
         }),
-        if (widget.showNumber) ...[
+        if (showNumber) ...[
           const SizedBox(width: 4),
-          AnimatedBuilder(
-            animation: _numberAnim,
-            builder: (context, child) {
-              return Text(
-                _numberAnim.value.toStringAsFixed(1),
-                style: TextStyle(
-                  fontSize: widget.starSize,
-                  fontWeight: FontWeight.w600,
-                  color: colors.onSurface.withValues(alpha: 0.6),
-                ),
-              );
-            },
+          Text(
+            rating.toStringAsFixed(1),
+            style: TextStyle(
+              fontSize: starSize,
+              fontWeight: FontWeight.w600,
+              color: colors.onSurface.withValues(alpha: 0.6),
+            ),
           ),
         ],
       ],