Clarify deploy script's final service-management hint

The old one-liner printed `status|restart|stop|tail bgfilter`, which
users pasted verbatim and the shell parsed the `|` as pipes. Split it
into one copy-pasteable command per action.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

scripts/deploy_autodl.sh

@@ -168,5 +168,8 @@ for _ in $(seq 1 40); do
 done
 "$SUPERVISORCTL" -c "$SUP_CONF" status || true
 echo
-echo "[deploy] done. Manage the service with:"
-echo "  $SUPERVISORCTL -c $SUP_CONF status|restart|stop|tail bgfilter"
+echo "[deploy] done. Manage the service (run ONE action at a time):"
+echo "  SUPCTL=\"$SUPERVISORCTL -c $SUP_CONF\""
+echo "  \$SUPCTL status              # show state"
+echo "  \$SUPCTL restart bgfilter    # restart (also: start / stop)"
+echo "  \$SUPCTL tail -f bgfilter    # follow logs"