Grafana GCX (CLI)

Features

• alert: add ruler subtree for datasource-managed rule writes
• kg: add entities correlate to resolve entities from alert labels
• kg: add entity quality reports (kg quality), folded into kg diagnose

Fixes

• alert: make GMA alert rules modifiable via the resources tier
• cloud: drop status/createdAt/updatedAt from stack regions output
• aio11y: point plugin id at renamed grafana-agento11y-app

Docs

• GA: remove public preview warnings, add GA notes across docs and README
• skills: harden agento11y-instrument and agento11y-prod-setup guidance
• stop prescribing Editor/Admin for service-account tokens; installation fixes