- Inject test-scoped minPollInterval into XAIAuth to avoid multi-second physical sleeps during device-flow polling tests - Add TestXAIAuthDefaultPollInterval regression test to verify default production interval remains 5s - Introduce testOperationTimeout to home Client so mock test clients consistently use short 50ms timeouts - Fix malformed RESP bulk string length for GET config mock response in TestRunConfigSubscriberLifetimeRejectsInvalidSubscriptionACK - Add TestDefaultProductionClientTimeouts regression test to verify default production timeouts are preserved