Finish Schoolhouse programming submission flow

automation/README.md

@@ -34,13 +34,21 @@ automation/bin/karakeep_api.py /api/health --raw-path --pretty
 - `bin/pd_backup_sync_to_serenity.sh` — `rsync`s configured backup/config roots to Serenity
 - `bin/run_pd_backups.sh` — wrapper that runs both steps in order
 
-These scripts are staged repo-side only. They still need:
+These scripts are the live PD backup runner model.
+
+Repo-side deployment prerequisites remain:
 
 1. real values in `.env`
 2. a writable dump destination on PD
 3. SSH trust / key path for Serenity (`root@10.5.1.5` by default)
    - recommended known_hosts path on PD: `/home/truenas_admin/.ssh/known_hosts`
-4. a real scheduler (cron/systemd timer/n8n) on the live host
+4. a real scheduler on the live host
+
+Current documented live state:
+
+- the PD → Serenity backup flow is the intended deployed model
+- root cron on PD is the preferred scheduler
+- first-run verification and the deployed status are tracked in `docs/operations/PD_BACKUP_DEPLOYMENT.md` and `docs/planning/TODO.md`
 
 ## PD / TrueNAS deployment recommendation