feat(metrics): implement Prometheus observability#45

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MatteoMori wants to merge 5 commits intokagent-dev:mainfrom

MatteoMori:observability/prometheus

Commits on Feb 12, 2026

feat(metrics): implement Prometheus observability with dedicated server

MatteoMori
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claude
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Commits on Feb 13, 2026

feat(metrics): auto-register tool metrics using ListTools() diff

MatteoMori
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claude
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Commits on Feb 15, 2026

feat(metrics): instrument tool handlers with invocation counters

MatteoMori
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claude
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feat(observability): add Helm chart support and Grafana dashboard

MatteoMori
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claude
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Commits on Feb 17, 2026

fix(metrics): default metrics-port to 0 (same as --port)

MatteoMori
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claude
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