> smartbin-ingestion-service@1.0.0 start
> node src/index.js

[INGESTION] HTTP service running on http://localhost:3003
[INGESTION] Endpoints:
  POST /api/v1/ingest/telemetry  — sensor data from ESP32
  POST /api/v1/ingest/status      — status updates
  POST /api/v1/ingest/availability — online/offline
  GET  /health                     — health check