- Add an operator-facing Alerting section to the runbook covering the six
provisioned Grafana rules and how to point them at a real receiver.
- Strip the "(Phase 9)" suffix from the MetricsRegistry Gauges heading.
- ALERTING.md: drop the internal dev-phase reference from the intro.
- Phase9_taskList.md: expand Task 9.9 to describe the provisioned alerting
(rules, contact point, policy, ALERTING.md runbook).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>