CHANGELOG.md is changeset-generated; hand-editing its historical prose
was out of scope, so it's back to main's version. Added a patch changeset
describing the em-dash removal instead, and a line in CLAUDE.md/AGENTS.md
so future prose in this repo doesn't reintroduce them.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
