During a two-month period, Dani Guardiola contributed to both the ariakit/ariakit and facebook/lexical repositories, focusing on component and API development. In ariakit/ariakit, Dani released the initial Ariakit Solid package, delivering core utilities and accessible components using TypeScript and SolidJS, while also improving repository hygiene through better version control practices. The work established a foundation for future cross-framework support by introducing a structured changelog and release process. In facebook/lexical, Dani enhanced the public API by exporting ListNodeTagType, enabling external consumers to simplify list-node tag handling. The contributions demonstrated depth in API design, monorepo management, and accessibility.