In November 2025, Sam Johnston focused on feature planning and documentation for the Luna feature in the home-assistant/brands repository. He established the foundational metadata scaffolding and documented the scope, requirements, and acceptance criteria, ensuring alignment with the broader Sol planning and the product roadmap. This preparatory work, primarily involving YAML and Markdown, did not include code changes but provided a clear structure for future development. By clarifying prerequisites and integrating planning signals, Sam reduced potential risks for upcoming implementation. The depth of documentation and planning laid a solid groundwork, supporting accelerated and organized development in subsequent phases of the project.