- Add ansiblePkg as propagated dependency in flake.nix so ansible-galaxy is available on host - Introduce strict requirements.yml validator for AnsibleRequirementsInstaller - Accept roles entries with either 'name' or 'src' - Ensure run() always validates requirements before installing dependencies - Extend unit tests to cover valid, invalid and warning-only requirements.yml cases See: https://chatgpt.com/share/69332bc4-a128-800f-a69c-fdc24c4cc7fe