Function guardSocket

apps/api/src/controllers/live.controller.ts:14–18

(socket: WebSocket, req: FastifyRequest)

// whole process. The ws library always emits 'close' after 'error', so
// the existing close-based cleanup still runs.
function guardSocket(socket: WebSocket, req: FastifyRequest) {
  socket.on('error', (err) => {
    req.log.warn({ err }, 'ws socket error');
  });
}

export function wsVisitors(
  socket: WebSocket,