'live' for broker events, 'analyze' for sandbox events.
Broker RMS/OMS text when rejected.
Lowercase OpenAlgo status: open | trigger pending | complete | rejected | cancelled | ...
OptionaltriggerUndefined when the broker reports 0 (plain LIMIT/MARKET).
Real-time order lifecycle event from the
subscribe_ordersstream — fills, partial fills, rejections, cancellations, pushed by the broker (or by the sandbox engine in analyze mode).