feat(observability): add runner VM hostmetrics Grafana dashboard#187

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feat/hostmetrics-grafana-dashboard

Commits on Apr 23, 2026

feat(observability): add runner VM hostmetrics Grafana dashboard
cbartz
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docs: document observability layout and rename dashboard directory
cbartz
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Commits on Apr 24, 2026

fix: align dashboard labels with OTel config from github-runner-operator
cbartz
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