Host configuration

Configure beam-host via environment variables. Values in ~/.config/beam/host.env are loaded by the systemd user service after enrollment.

Core

Variable	Default	Description
`BEAM_TOKEN`	—	Host secret token (required)
`BEAM_SIGNAL_URL`	`ws://localhost:8080/signal`	WebSocket signaling endpoint
`BEAM_BACKEND`	`auto`	`auto`, `nvidia`, or `vaapi`

Variable	Default	Description
`BEAM_FPS`	`60`	Target frame rate
`BEAM_BITRATE_KBPS`	`20000`	Maximum bitrate (adaptive AIMD caps here)
`BEAM_CODEC`	`auto`	Codec negotiation override
`BEAM_OUTPUT`	`-1`	XRandR monitor index; `-1` = primary

Variable	Default	Description
`BEAM_AUDIO`	`1`	Set `0` to disable system audio
`BEAM_AUDIO_DEVICE`	`@DEFAULT_MONITOR@`	PulseAudio source (monitor of default sink)

systemctl --user status latenz-host
systemctl --user restart latenz-host
journalctl --user -u latenz-host -f