- RemoveItem/Unregister evict value + write-completion caches (leak under churn)
- ReadBulk snapshot path: add/advise all, one shared deadline, then tear down
- alarm poll faults only after 3 consecutive failures; transient ones logged
- AlarmCommandHandler disposes primary when standby build throws
- StaRuntime pumps between queued work items
- WRK-02: post-start STA loop death surfaces as StaHung WorkerFault
- WRK-09: AppDomain unhandled-exception hook, exit code 7
- RETRIGGER documented as reserved, never synthesized
- TST-05: live facts for Ping/GetSessionState/GetWorkerInfo/DrainEvents/ShutdownWorker
Joseph Doherty