fix: 支付确认TOCTOU竞态(AND status=pending)+定时器补充过期订单清理

src/main.rs

@@ -275,6 +275,9 @@ async fn main() -> std::io::Result<()> {
             // 会员到期前 7 天提醒
             let _ = db::check_member_expiry_soon(&pool_clone).await;
 
+            // 清理超过 24 小时的过期待支付订单
+            let _ = db::cleanup_expired_pending_orders(&pool_clone, None).await;
+
             // 清理过期的 refresh_token
             let _ = db::cleanup_expired_refresh_tokens(&pool_clone).await;
         }