A small, reproducible setup that proves claude --settings claude-settings.json
emits traces, metrics, and logs to an OTLP endpoint. Useful when bringing up a
real backend (Honeycomb, Grafana Tempo, Datadog, etc.) — get the wiring right
against localhost first, then point OTEL_EXPORTER_OTLP_ENDPOINT at the real
target.
Verified against: