feat(metrics): add frontend and backend protocol distribution metrics

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2026-04-04 16:52:25 +00:00
parent a55ff20391
commit b04eb0ab17
7 changed files with 295 additions and 2 deletions

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# Changelog
## 2026-04-04 - 27.2.0 - feat(metrics)
add frontend and backend protocol distribution metrics
- track active and total frontend protocol counts for h1, h2, h3, websocket, and other traffic
- add backend protocol counters with RAII guards to ensure metrics are decremented on all exit paths
- expose protocol distribution through the TypeScript metrics interfaces and Rust metrics adapter
## 2026-03-27 - 27.1.0 - feat(rustproxy-passthrough)
add selective connection recycling for route, security, and certificate updates