Cross-check a proposed RFC or ADR against the existing substrate corpus. Surfaces composition gaps, conflicts, prior art, frontmatter validation, and numbering issues. Runs at proposal time — invoke manually today; auto-fires on RFC/ADR PR-open via a future GitHub Actions hook. Triggers on /corpus-c
Cross-check a proposed RFC or ADR against the existing substrate corpus. Surfaces composition gaps, conflicts, prior art, frontmatter validation, and numbering issues. Runs at proposal time — invoke manually today; auto-fires on RFC/ADR PR-open via a future GitHub Actions hook. Triggers on /corpus-cross-reference, "cross-reference the corpus", "check this RFC against existing", "what does the corp