v0.9.0

What's Changed

• feat(rules): parse v2 YAML frontmatter in rule documents (AK-955) by @backlineint in #873
• feat(rules): prefer declared header paths over derived globs (AK-956) by @backlineint in #874
• feat(rules): key decisions on candidate_group_id, then adr_id, and version persisted brief state (AK-958) by @backlineint in #876
• feat(rules): harden slug-keyed index lookups and expose decision ids and root (AK-959) by @backlineint in #878
• feat(cli): daily update notice and actual version --check --json by @benw5483 in #887
• feat(rules): skip inactive ADR statuses in selection, briefs and the gates (AK-960) by @backlineint in #879
• test(rules): mixed v1/v2 scope corpus, golden cases and v2 end-to-end tests (AK-961) by @backlineint in #880
• docs: fix the manual install, Linux Homebrew row and distribution docs by @benw5483 in #886
• docs(rules): document ADR header v2, changelog and capability marker (AK-962) by @backlineint in #882
• fix(cli): bound the folder pass plan-check runs before its judge by @benw5483 in #885
• fix(cli): show the update notice only after a successful command by @benw5483 in #891
• chore: release v0.9.0 by @backlineint in #895

Full Changelog: v0.8.0...v0.9.0