Add moderation rules:
* You can apply rules in the settings.toml to enforce moderator restrictions on
certain users, e.g. to force their camera to always be NSFW or bar them from
sharing their webcam at all anymore.
Chat UI improvements around users blocking admin accounts:
* When a main website block is in place, the DMs button in the Who List shows
as greyed out with a cross through, as if that user had closed their DMs.
* Admin users are always able to watch the camera of people who have blocked
them. The broadcaster is not notified about the watch.
New operator commands:
* /cut username: to tell a user to turn off their webcam.
* /unmute-all: to lift all mutes on your side, e.g. so your moderator chatbot
can still see public messages from users who have blocked it.
* /help-advanced: moved the more dangerous admin command documentation here.
Miscellaneous fixes:
* The admin commands now tolerate an @ prefix in front of usernames.
* The /nsfw command won't fire unless the user's camera is actually active and
not marked as explicit.
* Deadlock detection: the chatbot handlers will spin off a background goroutine
to ping DMs at itself and test for responsiveness. If the echoes don't return
for a minute, issue a /api/shutdown command to the HTTP server to force a
reboot.
* New admin API endpoint: /api/shutdown, equivalent to the operator '/shutdown'
command sent in chat. Requires your AdminAPIKey to call it. Used by the chatbot
as part of deadlock detection.
* Adjust some uses of mutexes to hopefully mitigate deadlocks a bit.
* Do Not Disturb: if users opt to "Ignore unsolicited DMs" they will set a DND
status on the server which will grey-out their DM icon for other chatters.
* Bring back an option for ChatServer to notify you when somebody begins watching
your camera (on by default).
* Automatically focus the message entry box when changing channels.
* Lower webcam resolution hints to 480p to test performance implications.
