Clean up the dashboard shoutbox.
Where: /admin/oneliners
Shows every oneliner posted, with author, timestamp, and message.
Actions:
- Delete any individual oneliner.
Rate-limit suspensions: if someone's flooding the oneliner (more than one post per 30 seconds), you can apply a user-level rate-limit suspension via User Management.
Why it matters: the shoutbox is high-visibility — a single abusive one-liner is more damaging than a post buried deep in a forum.
