Scaffolds the per-repo agent configuration the engineering skills assume: where issues live (GitHub Issues via the gh CLI), the five canonical triage labels, and the single-context domain-doc layout. Adds docs/agents/{issue-tracker,triage-labels,domain}.md and an '## Agent skills' block in both CLAUDE.md and AGENTS.md so the two stay in sync.
Documentation only — no runtime code is touched.
Review fixes: CONTEXT.md is now described as 'read it when it exists' rather than stating its absence as permanent, and both directory-tree fences carry a language identifier (markdownlint MD040).