During June 2026, contributed across three repositories by delivering secure access features, documentation improvements, and enhanced data handling. In assistant-ui, implemented token-based authentication for CLI GitHub downloads using environment variables, ensuring secure retrieval of templates and releases. For github/awesome-copilot, clarified documentation on personal skill directories and upgraded YAML parsing dependencies to improve compatibility. Within lfnovo/open-notebook, strengthened type safety, formalized release documentation, and introduced comprehensive sources table sorting with backend and frontend updates. Addressed security by updating dependencies, sanitizing URLs, and enforcing best practices for external links. Work utilized TypeScript, JavaScript, and React, emphasizing robust backend and frontend development.