- Introduce separate test-lint, test-unit, and test-integration targets
- Add TEST_PATTERN support to filter unittest discovery per test category
- Move vars-usage check to tests/lint and classify it as a static lint test
- Enhance vars-usage lint to report defining files and line numbers
- Keep test-messy for backwards compatibility and Ansible syntax check
https://chatgpt.com/share/6941c04c-b8d0-800f-9fe8-a5c01a1e1032