chore: merge main into release#29
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KafkaTransport now always uses StatsContext for both consumer and producer. rdkafka statistics callbacks auto-emit rdkafka_* Prometheus metrics when a MetricsManager recorder is installed. Zero downstream code changes required. Also adds dfe_transport_* metrics to send() (sent_total, errors, backpressure, duration) matching gRPC transport parity. Uses ::metrics:: absolute path to avoid shadowing by local mod metrics.
Universal auto-instrumentation via global singleton pattern: - tiered-sink: spool messages/bytes, circuit state, hot/cold path, disk available, circuit trips - spool: queue depth gauge on push/pop/recv/clear - dlq: entries total, entries written, write errors - cache: hits/misses by source, entry count - http-client: request count by method/status, duration histogram - secrets: fetch total, cache hits/misses All metrics #[cfg(feature = "metrics")] gated — zero cost when off. Apps with MetricsManager get full observability across every rustlib feature with zero additional wiring. Document core pillar design decision in CLAUDE.md: config, logging, and metrics are non-negotiable for every module.
# [1.17.0-dev.14](v1.17.0-dev.13...v1.17.0-dev.14) (2026-03-26) ### Bug Fixes * add metrics instrumentation to all modules ([0a690e4](0a690e4)) * wire StatsContext into KafkaTransport and add send metrics ([ccfc9ad](ccfc9ad))
# Conflicts: # CHANGELOG.md # Cargo.toml # VERSION
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🎉 This PR is included in version 1.19.8 🎉 The release is available on GitHub release Your semantic-release bot 📦🚀 |
catinspace-au
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May 21, 2026
chore: merge main into release
catinspace-au
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May 21, 2026
chore: merge main into release
catinspace-au
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that referenced
this pull request
May 21, 2026
chore: merge main into release
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