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