During March 2025, Daniel Expósito developed comprehensive documentation for the CESGA-Quantum-Spain/cunqa repository, focusing on improving the developer experience and maintainability of the Cunqa library. He enhanced the codebase by adding detailed docstrings and refining error messages, which clarified diagnostics and streamlined onboarding for new contributors. Daniel’s work emphasized API design and documentation best practices, leveraging Python and reStructuredText to create clear usage guides and API references. By standardizing messaging and improving repository consistency, he enabled faster integration and reduced support needs. The depth of his documentation-driven refactor addressed both technical clarity and long-term maintainability for the project.