Allow metadata in Tunnel messages #697
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benjirewis
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May 29, 2025
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will allow for sending metadata over the wire (things like sent time or debug flags), which will be super helpful in improving/debugging performance
but also open to adding the necessary fields directly (e.g. session_id, timestamp, debug). just thought doing it as a map is a bit easier and allows us to iterate quickly.
can't use grpc metadata for timestamp, since that is sent only once per streaming call.