feat: connection rate and chain latency metrics

Add RateTracker (rolling deque, events/sec) and LatencyTracker (circular
buffer, p50/p95/p99 in ms) to the Metrics class.  Both are recorded in
_handle_client and exposed via summary(), to_dict(), /status, and /metrics.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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2026-02-18 00:16:46 +01:00
parent e7de479c88
commit b8f7217e43
9 changed files with 304 additions and 4 deletions

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@@ -48,6 +48,7 @@
- [x] Replace HTTP health check with TLS handshake (round-robin targets, no httpbin dependency)
- [x] Multi-listener with configurable proxy chaining (per-port chain depth)
- [x] Connection rate and chain latency metrics (rate/s, p50/p95/p99)
## Next
- [ ] Integration tests with mock proxy server