chat/index.html and chat/_thread.html held the same loop, so anything added
to the conversation -- a compaction divider, say -- would have had to be
written into both and kept in step by hand. index.html includes the partial
instead.
The sidebar toggle was a raw inline onclick, the only one left in the
application. app.js already delegates [data-toggle="#selector"] and gives
open/close, aria-expanded and an is-active button state for free; the chat
settings gear has used it all along. Also deletes the
.sidebar[data-collapsed="true"] rule, which nothing has ever set.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Jaroslav Beneš
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