feat: 添加后台任务测试通知功能，优化滑动删除交互体验

app/(tabs)/statistics.tsx

@@ -424,6 +424,19 @@ export default function ExploreScreen() {
         handler: async () => {
           try {
             console.log('后台任务：更新健康数据和检查压力水平...');
+
+            // 发送测试通知，验证后台任务是否执行
+            await notificationService.sendImmediateNotification({
+              title: '后台任务测试 🔔',
+              body: `任务执行时间: ${new Date().toLocaleTimeString('zh-CN')}`,
+              data: {
+                type: 'background_task_test',
+                timestamp: new Date().toISOString(),
+              },
+              sound: true,
+              priority: 'high'
+            });
+
             // 后台任务只更新健康数据，强制刷新以获取最新数据
             await loadHealthData(undefined, true);
 

app/auth/login.tsx

@@ -138,20 +138,6 @@ export default function LoginScreen() {
     }
   }, [appleAvailable, router, searchParams?.redirectParams, searchParams?.redirectTo]);
 
-  const onGuestLogin = useCallback(() => {
-    // 游客继续：若有 redirect 则前往，无则返回
-    const to = searchParams?.redirectTo as string | undefined;
-    const paramsJson = searchParams?.redirectParams as string | undefined;
-    let parsedParams: Record<string, any> | undefined;
-    if (paramsJson) {
-      try { parsedParams = JSON.parse(paramsJson); } catch { }
-    }
-    if (to) {
-      router.replace({ pathname: to, params: parsedParams } as any);
-    } else {
-      router.back();
-    }
-  }, [router, searchParams?.redirectParams, searchParams?.redirectTo]);
 
   // 登录按钮不再因未勾选协议而禁用，仅在加载中禁用