sacho

Help a maintainer adopt and operate Sacho, the opinionated changelog manager that keeps user-facing release notes as one small Markdown fragment per change under changes.d/ and compiles them into CHANGES.md at release time. Use this skill whenever a repository has a sacho.toml, a changes.d/ directory, or a CHANGES.md built from fragments; whenever the user wants to add Sacho to a project, write or edit a changelog entry for a change they just made, cut a release, publish release notes, or wire `sacho check` into CI or a pre-commit hook; whenever forward-porting a bugfix release across maintenance branches or resolving a changelog merge conflict; and whenever `sacho check` or the changelog merge driver reports a problem. Also use it any time the user mentions Sacho, changes.d fragments, or asks how to write a changelog entry for users instead of generating one from commit messages.