Function sendClientHello

src/mcp/proxy.ts:179–186

* Tell the daemon our pids right after we verify its hello, so its liveness * sweep can reap this client if our process dies without the socket ever * signalling close (the Windows named-pipe hazard behind #692). Best-effort: * sent before any piped bytes so it's always the daemon's first line fr

(socket: net.Socket)

 * host pid if set, else our own parent (the host, on a no-relaunch bundle).
 */
function sendClientHello(socket: net.Socket): void {
  const clientHello: DaemonClientHello = {
    codegraph_client: 1,
    pid: process.pid,
    hostPid: parseHostPpid(process.env[HOST_PPID_ENV]) ?? EARLY_PPID,
  };
  try { socket.write(JSON.stringify(clientHello) + '\n'); } catch { /* best-effort */ }
}

type JsonRpc = Record<string, unknown>;