### pilot_runbook

```{eval-rst}
.. plantuml::

   @startuml
   skinparam shadowing false
   title Pilot Runbook — Day-1 Steps
   
   start
   :Open TLS from Tracto → X2 Gateway;
   :Issue client certs & create\nnamespace + ACLs;
   :Create topics (features, labels,\ninference, control.triggers);
   fork
     :Enable Iceberg materialization\n(s3://x2-lake/iceberg/…);
   fork again
     :Notebook: add Kafka consumer cell\n& sanity-check lag/throughput;
   fork again
     :Set Workflow to listen for control trigger\nand launch Spark job;
   end fork
   :Define success metrics\n(throughput, freshness, cost/TB);
   stop
   @enduml