Nothing to try yet
The session loop can auto-submit /btw as a quick-capture aside when nothing else is blocking the input.
The main session loop now wires up a reopener for a /btw slash command tied to session history (btwHistory). When triggered, and no active model turn, ended-by-model state, or local JSX UI is blocking it, it automatically submits /btw via the prompt input, providing a quick-capture/aside command flow.
Names in the bundle/btw
The entry above is what we published on the day. These lines were added later, as Anthropic's own pages caught up, and they sit beside the original rather than replacing it.
Confirmed since
Anthropic's documentation has since written up /btw, on Claude Code changelog.
* Fixed `/btw` answers that contained made-up tool calls and output: the side question is now told not to write them, and any that appear are flagged as not executedchangelog see the edit
Two sources agreeTwo things we can check say the same as this entry.
Anthropic's documentation agrees
Anthropic's documentation has since written up /btw, on Claude Code changelog.
Anthropic's release notes agree
Fixed ← doing nothing in the /btw panel inside a claude agents session: it now returns to the agents list (even mid-answer), and the panel…