Issues to address
=================

If app crashes, won't sync w/ board status in database.


CONNECT proxy
=============

RFC definition: https://tools.ietf.org/html/rfc2817#section-5.2

FastAPI StreamingResponse: https://fastapi.tiangolo.com/advanced/custom-response/#streamingresponse

Streaming Requests: https://github.com/tiangolo/fastapi/issues/58

Brief tests showed that this may not work reliably.  I think WebSockets is
the best answer for this.