DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.
The /diff command replaces the previous code diff footer that was shown at the bottom of the chat. Users who relied on the footer can now use /diff to view the same information on demand.