* WIP: Enable chatting without character selected
* Add burger menu item
* Neutral assistant chat space
* Revert "Neutral assistant chat space"
This reverts commit be2da4a629.
* Revert "Add burger menu item"
This reverts commit d4e8d990c1.
* Use simple ephemeral chats
* Only start a new assistant chat if not already in it
* Don't emit event not to clear pending files
* Allow edits, disable checkpoints and branches
* Exclude from tags, allow copy
* Allow hide/unhide
* Allow zooming avatar
* Suppress warning
* Rename neutral character
* Rename neutral back to Assistant
