These instructions apply repository-wide.
Repository-wide AI-facing engineering guidance lives in AGENTS.md.
Canonical skills live under docs/engineering/skills/.
Use those files as the source of truth. This file is a Claude adapter and should stay thin; do not duplicate detailed testing, CI, formatting, or architecture rules here.
Before opening, replacing, or sharing a PR, read
docs/engineering/skills/github-prs.md. Add the required towncrier changelog
fragment before creating the PR.
When adding, moving, or reviewing tests, read
docs/engineering/skills/testing.md before editing.
When reviewing changes to public APIs, architecture, documentation, or generated
artifacts, read docs/engineering/skills/documentation_review.md.