## Summary
- Add "Unhealthy Pods" stat panel showing count of pods in error states (ImagePullBackOff, CrashLoopBackOff, etc.) with red background when > 0
- Add "Pods by Waiting Reason" time series chart showing container waiting states over time
- Provides visibility into stuck pods that ArgoCD doesn't track (since it manages CronJobs, not the Jobs/Pods they spawn)
## Context
This addresses the issue where a `zim-watcher` cronjob pod was stuck in `ImagePullBackOff` for 11 days without any alerting. ArgoCD showed the CronJob as "Synced, Healthy" because it only manages the CronJob resource, not its spawned Jobs/Pods.
## Deployment and Testing
- [ ] Sync grafana-config app to test branch
- [ ] Verify dashboard renders correctly
- [ ] Confirm "Unhealthy Pods" shows 0 (green) when no issues
- [ ] Reset to main after merge
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Reviewed-on: https://forge.ops.eblu.me/eblume/blumeops/pulls/83
Erich Blume
737371ab59