sse/sse.go
func GetEventStream(w http.ResponseWriter, r *http.Request) {
	SendEvents(w, r, getChannels(r))
}
func GetEventStream(w http.ResponseWriter, r *http.Request) {
	SendEvents(w, r, getChannels(r))
}
// GetEventStream streams events in text/event-stream format.
//
// GET /api/event/stream/{channel}
//