fix(delivery): add PostgreSQL rollback and CloudDM isolation

config/local/README.md

@@ -17,6 +17,8 @@ The local object mapping is:
 | Secret credential | `XINFRA PostgreSQL Runtime Secrets` |
 | Job Template | `XINFRA PostgreSQL Delivery` |
 | Playbook | `postgresql-deploy.yml` |
+| Rollback Template | `XINFRA PostgreSQL Rollback` |
+| Rollback Playbook | `postgresql-rollback.yml` |
 | Instance Group | `xinfra-e2e-execution` |
 
 Run the idempotent setup whenever the AWX task pod restarts or the local
@@ -25,6 +27,13 @@ cannot use a Manual Project, so the Project is Git-backed with launch updates
 disabled. The script refreshes a local Git source inside the AWX task pod and
 runs a project update so AWX rebuilds its playbook index.
 
+The setup output includes `DELIVERY_POSTGRESQL_ROLLBACK_TEMPLATE_ID`; copy that
+value into `config/local/server-postgresql.env` before starting the scheduler.
+PostgreSQL CloudDM registration is optional and requires the dedicated URL,
+API token, username, and password documented in the server env example. The
+CloudDM password must match the PostgreSQL administrator password configured
+in the AWX runtime credential.
+
 ```bash
 ./scripts/setup-postgresql-awx.sh
 ```