for me clearing the localstorage was the thing that was essential for doing this.
I’ve just tested and this works
- stop the developer rig
- clear the localstorage with localStorage.clear(); as you say (double check you are doing it on a page with the rig on it.
- change the channel name in your arguments and start the rig again.
any panels you made should be gone as they were stored in the localstorage (along with their channel names and jwt tokens). I use chrome