feat: 更新依赖项并优化组件结构

- 在 package.json 和 package-lock.json 中新增 @sentry/react-native、react-native-device-info 和 react-native-purchases 依赖
- 更新统计页面，替换 CircularRing 组件为 FitnessRingsCard，增强健身数据展示
- 在布局文件中引入 ToastProvider，优化用户通知体验
- 新增 SuccessToast 组件，提供全局成功提示功能
- 更新健康数据获取逻辑，支持健身圆环数据的提取
- 优化多个组件的样式和交互，提升用户体验

app/nutrition/records.tsx

@@ -43,21 +43,37 @@ export default function NutritionRecordsScreen() {
   // 日期滚动相关
   const daysScrollRef = useRef<ScrollView | null>(null);
   const [scrollWidth, setScrollWidth] = useState(0);
-  const DAY_PILL_WIDTH = 68;
-  const DAY_PILL_SPACING = 12;
+  const DAY_PILL_WIDTH = 60; // 48px width + 12px marginRight = 60px total per item
+  const DAY_PILL_SPACING = 0; // spacing is included in the width above
 
   // 日期滚动控制
   const scrollToIndex = (index: number, animated = true) => {
-    const baseOffset = index * (DAY_PILL_WIDTH + DAY_PILL_SPACING);
-    const centerOffset = Math.max(0, baseOffset - (scrollWidth / 2 - DAY_PILL_WIDTH / 2));
+    if (scrollWidth <= 0) return;
+
+    const itemOffset = index * DAY_PILL_WIDTH;
+    const scrollViewCenterX = scrollWidth / 2;
+    const itemCenterX = DAY_PILL_WIDTH / 2;
+    const centerOffset = Math.max(0, itemOffset - scrollViewCenterX + itemCenterX);
+
     daysScrollRef.current?.scrollTo({ x: centerOffset, animated });
   };
 
+  // 初始化时滚动到选中位置
   useEffect(() => {
     if (scrollWidth > 0) {
-      scrollToIndex(selectedIndex, false);
+      // 延迟滚动以确保ScrollView已经完全渲染
+      setTimeout(() => {
+        scrollToIndex(selectedIndex, false);
+      }, 100);
     }
-  }, [scrollWidth, selectedIndex]);
+  }, [scrollWidth]);
+
+  // 选中日期变化时滚动
+  useEffect(() => {
+    if (scrollWidth > 0) {
+      scrollToIndex(selectedIndex, true);
+    }
+  }, [selectedIndex]);
 
   // 加载记录数据
   const loadRecords = async (isRefresh = false, loadMore = false) => {
@@ -194,7 +210,6 @@ export default function NutritionRecordsScreen() {
                 onPress={() => {
                   if (!isDisabled) {
                     setSelectedIndex(index);
-                    scrollToIndex(index);
                   }
                 }}
                 disabled={isDisabled}