I want an AwsXRayLambdaPropagator API for Lambda trace extraction, usable as…

I want an AwsXRayLambdaPropagator API for Lambda trace extraction, usable as…: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). If the supplied context already has a valid current span, extract should not read X AMZN TRACE ID ; for example, with an empty carrier and…

The task

If the supplied context already has a valid current span, `extract` should not read `_X_AMZN_TRACE_ID`; for example, with an empty carrier and a context containing `SpanContext(1, 2, False)`, the returned context should still expose trace id `0x1`, span id `0x2`, an unsampled trace flag, and the default trace state.…

Part of FineEnvs/MiMo-V2.6-RL-harbor-code.