// 简单token认证中间件，支持token-3格式
module.exports = function (req, res, next) {
  const auth = req.headers.authorization;
  if (auth && auth.startsWith('Bearer token-')) {
    const id = parseInt(auth.replace('Bearer token-', ''));
    if (!isNaN(id)) {
      req.user = { id };
    }
  }
  next();
};