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npub1mn7jgtj4w2pd0g0zeuhxsa6jy6p0rewxz4kujt98my82ahfmp72sxjexk7andWill Pfleger
fd59e6660f
Adds a one-command local E2E that proves both observability export surfaces introduced in PR #1398: (a) Prometheus /metrics: buzz_ws_connections_total, buzz_events_received_total, buzz_auth_attempts_total present with non-zero values; target_info absent (suppressed via PR #1398). (b) OTLP traces: ws.auth and ws.event spans arrive at the collector carrying conn_id attribute and service.name=buzz-relay resource. (c) OTLP metrics: collector receives data tagged service.name=buzz-relay. (d) OTLP-disabled control: with OTEL_EXPORTER_OTLP_ENDPOINT unset /metrics still serves correctly; collector receives nothing. Architecture: relay runs on the host (matching the existing host.docker.internal Prometheus pattern); an otel-collector container added via compose overlay receives OTLP on :4317. The collector image is distroless so the output dir is bind-mounted to the host rather than read via docker exec. The Rust assertions in buzz-test-client read the host path directly. New files: - test/otel-e2e/run.sh — main driver script - test/otel-e2e/compose.otel-e2e.yml — compose overlay - test/otel-e2e/otelcol-config.yml — collector config - test/otel-e2e/README.md — prerequisites and usage - crates/buzz-test-client/tests/e2e_otel.rs — Rust assertions (all #[ignore]) - Justfile: just otel-e2e target No changes to crates/buzz-relay/src/**. Co-authored-by: Will Pfleger <pfleger.will@gmail.com> Signed-off-by: Will Pfleger <pfleger.will@gmail.com>