PFVCluster split map + change-mgmt topic link (t/331). https://projects.knownelement.com/issues/769#note-4152
Add legacy-to-Ansible mapping table, host-class conditionals reference, AWX setup instructions, and configuration variable reference. 🤖 Generated with [Crush](https://github.com/charmassociates/crush) Assisted-by: GLM-5 via Crush <crush@charm.land>