Prometheus scrapes /api/metrics via X-API-Key, alert rules for environment health, Grafana dashboard at uid=portainer-be. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- New services/portainer.md: BE license key, agent inventory, backup setup (Garage S3 + JottaCloud offsite), OIDC pending steps - backrest.md: add CT 109 Portainer to coverage map, remove stale services/arcane path from plan, note Arcane decommission Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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