API Reference client_signals v#0.4.3

Privacy-safe client signals for CLI HTTP traffic.

Reads the coarse, self-reported Fly-Client-* headers (as produced by ClientSignals.headers_for/2) off an incoming request and attaches them to the current request's OTel span as fly.client.* attributes.

PromEx plugin for the canonical client-signals request counter.

Bounded server-side classification and route helpers for incoming client-signal headers.

Emits the canonical telemetry event for requests classified using client signals.