Hi,
I have recently tried to make a test on Flow and posted my message on the wrong page (this one instead of Talk:Sandbox). I have immediately found out that this is not the right page and tried either to undo my edit (i.e. remove my comment so that it does not appear on the page anymore) or move my comment (i.e. make it attached to Talk:Sandbox instead of this page). However, I failed to any of this and could not find anything better than hide my comment and mark the topic as resolved.
Still, I would like to know how I can move or remove my own message. This is a very common feature for all discussion systems and is straightforward in wikitext, but it is not clear how I can do it in Flow. Pinging @Jay8g: and @Trizek (WMF): who somehow managed to remove my message.