ingest-api
Koa device ingest. POST /telemetry writes raw events to Mongo, a TTL key to Redis, and upserts device_current_state in Postgres. Dual-write is a demo shortcut — production should derive Redis/Postgres from a queue.
Koa device ingest. POST /telemetry writes raw events to Mongo, a TTL key to Redis, and upserts device_current_state in Postgres. Dual-write is a demo shortcut — production should derive Redis/Postgres from a queue.