Ft prometheus metrics#9

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therealansh wants to merge 14 commits into

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therealansh:ft-prometheus-metrics

Commits on May 16, 2026

feat(metrics): add shared metrics server and runtime collectors
therealansh
committed
fix(metrics): bind listener in NewServer to avoid Addr() race
therealansh
committed

Commits on May 17, 2026

feat(configs): add metrics_enabled/host/port to APIConfig
therealansh
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test(configs): assert validator rejects bad metrics port and host
therealansh
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feat(api): start metrics server in errgroup when enabled
therealansh
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feat(metrics): add HTTP RED middleware with bounded cardinality
therealansh
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feat(api): wire HTTP RED middleware into the HTTP server
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feat(workers): instrument background workers with tick metrics
therealansh
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refactor(workers): make WorkerMetrics methods nil-safe
therealansh
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feat(zmq): instrument ZMQ server with message and error metrics
therealansh
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feat(storage): wrap KV singleton with metrics decorator
therealansh
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feat(sessions): record session creation and lifecycle metrics
therealansh
committed

Commits on May 19, 2026