15 tasks covering tempo/cadvisor/nvidia-exporter additions, promtail docker_sd rewrite, per-service log pipelines, Loki retention, Grafana SSO via Gitea, and six per-service dashboards. Each task is bite-sized with failing test → implementation → green test → commit. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>