fix(metrics): group Prometheus output by family — fix duplicate HELP/TYPE (#716) - #787

Merged

leoparente merged 9 commits into

fix/prometheus-grouping-serializer

Jun 24, 2026

Commits on Jun 24, 2026

feat(metrics): add PrometheusSerializer + MetricLabels (grouped, FMT, escaped, numeric-parity)
leoparente
committed
037fea2
fix(metrics): group Prometheus output by family, fixing duplicate HELP/TYPE (#716)
leoparente
committed
1f800e5
fix(metrics): share one Prometheus serializer across policies on the aggregate /metrics route (#716)
leoparente
committed
8568160
test(metrics): assert Prometheus series lines, not just family names; fill empty HELP
leoparente
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262c2bc
perf(metrics): buffer one string per family in PrometheusSerializer
leoparente
committed
26742ae
fix(metrics): fresh label map per TopN item to prevent conditional-label leakage
leoparente
committed
d6064bf
fix(metrics): default /metrics endpoint reuses Policy::prometheus_metrics for handler labels
leoparente
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6902aa7
fix(metrics): escape HELP text and de-dupe static/per-call labels in serializer
leoparente
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6a7f1bb
Revert "fix(metrics): default /metrics endpoint reuses Policy::prometheus_metrics for handler labels"
leoparente
committed
74a4c82