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.
Error displays across the CLI have been systematically refactored to use a dedicated A7 error component and L4 empty-state component, replacing ad-hoc inline styling. This provides more consistent visual treatment of errors and empty states throughout the UI.
Evidence
New A7 error component (search for "color: \"error\"" in component definition) at line ~198548
Strings lifted out of the shipped bundle, so the claim above can be checked against them.