Function authMiddleware

packages/server/src/socket/middleware/auth.ts:22–27

(
  socket: AuthenticatedSocket,
  next: NextFunction
)

 * 隧道请求（带 CF 头）必须携带有效 token，本地请求放行
 */
export function authMiddleware(
  socket: AuthenticatedSocket,
  next: NextFunction
) {
  void authenticateSocket(socket, next)
}

async function authenticateSocket(
  socket: AuthenticatedSocket,