Live Charts turns the firehose of device telemetry into readable, moving charts. It mints a short-lived stream token from the BFF, opens a WebSocket and renders metrics as they arrive.
Token then stream
The browser calls GET /metrics/stream-token for a short-lived token, then
connects to the telemetry WebSocket — keeping long-lived credentials out of
the client.
The values plotted here are the output of the alert pipeline: