The original room shows its welcome box until it holds more than a page of
messages, and paged? answered that with a COUNT(*) over every message in
the room on each visit. Asking whether there is a row past the first page
answers the same question while reading at most a page of index entries.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NuTtwJKhb77Dv7EQqv2C3C
* Preload only uncached messages and reduce rendering overhead
* Keep benchmark summaries without raw JSON results
* Use Ruby benchmark drivers and keep generated results out of the repo