reuse-raw:mode it may stop reading from a WebSocket (which in turn makes Chromium stop writing to WebSocket) if there are no connection clients.
reuse-broadcast:mode messages simply got dropped when nobody is connected.
websocata top of usual
cut the connection and continue withe next step
Cut the entire WebSocket connection or just a step in WebSocket session?
binbadr\release\websocat.exe -v wss://echo.websocket.org