Modules

Algol is a multi-process system. Each module is an independent process. All modules communicate over NATS.

Default module ids are shown. A deployment may override --id. Request-reply subjects and the messaging contexts are catalogued in Messaging.

Module Summary

Module	Default id	Role	Request-reply
nats	nats	Central NATS broker	readiness status
configurer	cfg	Disk persistence for component configs; bundles and manifests	config / bundle / manifest
trigger	trigger	Evaluates stream expressions and fires actions	client only
flower	flower	Coordinates measurement windows	measurement_event_publish
board-controller	bc	Modbus bridge to on-board MCU	register read/write
gps	gps	GNSS data source	none
gate	gate	Cloud telemetry forwarding	none
recorder	recorder	Parquet recordings, catalog, export	catalog + export start/stop
aggregator	aggregator	Per-batch data_status statistics	none
secomea	secomea	Secomea SiteManager	none
sys	sys	Network, GSM, DNS, mounts, LEDs, host scripts	scripts, mounts, SMS, LEDs
chirpstack	chrp	LoRa device management	none
chronyd	chrony	NTP / PPS clock discipline	none
audio	audio	Audio playback	play
retx	retx	On-board sensor hub (ADC, IMU, ...)	raw dump
cli	-	Command-line tool for operators	client only
algold	-	Combined supervisor daemon	none