Sidecar JSON file written next to the socket; lets daemon status show details without an IPC roundtrip.
const info: DaemonInfo = { pid: 4242, socketPath: '/tmp/qunitx-daemon-ab12cd34ef56.sock', cwd: '/proj', nodeVersion: 'v24.14.0', startedAt: 1_760_000_000_000, }; info.pid; // 4242 — polled with `process.kill(pid, 0)` after `daemon stop`
pid: number
OS process id of the running daemon.
socketPath: string
Absolute path to the daemon's listening Unix socket.
cwd: string
Working directory the daemon was started in (matches its socket-path hash).
nodeVersion: string
Daemon's process.version at startup.
startedAt: number
Epoch ms when the daemon began listening.