feat(grafana): add Kubernetes 741 and 8171 curated packs - #430
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Grafana 741 is Heapster-era cAdvisor+KSM so a modern scrape needs a label bridge, a Deployment prefix bind, and a live Node control; 8171's Idle CPU title is busy % and Disk I/O queries empty nfsd counters. Pin those dashboard-specific overrides (and panel_id for 741's duplicate Used/Total tiles) so Kibana matches Grafana and is better on Node populate, CPU Busy, and real disk I/O.
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Restacked after #386/#388/#389 landed on The huge conflict list was GitHub comparing this branch to the rewritten
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Native PROMQL GROK _timeseries + KEEP step returns rows at _query, but Lens XY stays empty. Pin the same time_bucket + labels.device shape as CPU Busy and keep $server bound.
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Summary
pod_name/io_kubernetes_*→labels.pod/labels.container,$Nodevialabels.instance(Grafana's hostname query is dead),$Deploymentprefix bind withSTARTS_WITH(labels.pod, ?Deployment),panel_idfor same-section Used/Total tiles, k8s-only Containers CPU, Received/Sent network legends.node_nfsd_disk_bytes_*to realnode_disk_read/written_bytes_totalwith Read/Written/IO time legends.panel_idon pack query/layout overrides so duplicate titles in one section get independent ES|QL and chrome names;hide_title: falseclears the inner Lens label against the source title before a chrome rename (otherwise Used → Memory used leaves Lens looking for aUsedcolumn / N/A).k8s_exporternow emitskube_deployment_status_replicas_availableso 741 replica KPIs render on the curated rig.Now targets
main(#389 / 6417 is merged). Stacked under: #431 → #432.Test plan
pytest tests/test_curated_packs.py(full file green)make lintmetrics-k8s.prometheus-default) and 8171 (metrics-node.prometheus-default),prometheus_nativegrafana-validate-uploaded: 741 16/16 pass, 8171 8/8 pass, 0 empty, 0 overlaps, 0 runtime errors$serverpopulatedFixes #398
Fixes #399