Can you develop a function to kick live source (stop live broadcast from the panel)?
Even if live source is stopped, most broadcasting software will reconnect automatically, so this will not be of much use. Still, you can kick sources if you open the server admin page (from Information tab).
Is there a “work in progress” in this section? In addition to show all connections
There are some improvements planned, but it should show all connected listeners now. We'll check if something's not working right there.