Function trackEvent

packages/cli/src/telemetry/client.ts:66–98

(
  event: string,
  properties: EventProperties = {},
  distinctId?: string,
)

 * Queue a telemetry event. Non-blocking, fail-silent.
 */
export function trackEvent(
  event: string,
  properties: EventProperties = {},
  distinctId?: string,
): void {
  if (!shouldTrack()) return;

  const sys = getSystemMeta();
  eventQueue.push({
    event,
    distinctId,
    properties: {
      ...properties,
      cli_version: VERSION,
      os: process.platform,
      arch: process.arch,
      node_version: process.version,
      os_release: sys.os_release,
      cpu_count: sys.cpu_count,
      cpu_model: sys.cpu_model ?? undefined,
      cpu_speed: sys.cpu_speed ?? undefined,
      memory_total_mb: sys.memory_total_mb,
      is_docker: sys.is_docker,
      is_ci: sys.is_ci,
      ci_name: sys.ci_name ?? undefined,
      is_wsl: sys.is_wsl,
      is_tty: sys.is_tty,
      sandbox_runtime: sys.sandbox_runtime ?? undefined,
      agent_runtime: sys.agent_runtime ?? undefined,
    },
    timestamp: new Date().toISOString(),
  });
}

/**
 * Drain the in-memory queue into a PostHog `/batch/` payload string.