Telemetry Tracker v1.15.7

Highlights

• Docs staleness pass — align RELEASE / PRODUCTION-READINESS / ROADMAP / MONITORING with shipped Notifications + Alert Rules, Railway alert-rules-evaluator cron (leave brief-worker alone), and corrected ops notes (#556)

Upgrade (self-hosted)

From v1.15.6, pull and redeploy. No migrations in this release.

None — no database changes in this release.

Breaking changes

• None.

Full changelog

See CHANGELOG.md.