docs-writer

@aivandelindt

**WORKFLOW SKILL** — Maintains repository documentation accuracy and freshness across the docs site, agent files, and changelog. WHEN: "update docs", "doc gardening", "staleness check", "changelog entry", "repo explanation", "agent change docs", "skill change docs". DO NOT USE FOR: agent definitions (edit `.agent.md` directly), SKILL.md content authoring, site theme/build.