- Add .agents/skills/review/SKILL.md with a required review checklist covering
project rules, model client rules, pipeline rules, XML rules, and test rules.
- Update AGENTS.md with a dedicated 'Review Stage Rules' section that makes
review mandatory and maps confidence thresholds to XML generation behavior.
- Add review skill to the skills reference.
- Add .ruff_cache/ to .gitignore and keep agent XML templates out of the '*.xml' ignore rule.