- certmanager.json: use Thanos datasource, fix variable regex
- argocd.json: use Thanos datasource via $datasource variable
- logs.json: update to use OTel labels (k8s_namespace_name, k8s_container_name)
- collector.yaml: add loki.resource.labels hint for proper Loki label mapping
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>