Worked on enhancing the terminal experience in the sst/opencode repository by delivering a feature focused on terminal improvements and focus management. The work involved implementing smoother focus transitions, enabling tab renaming, and introducing robust error state handling to improve reliability during development workflows. Updated the Content Security Policy to mitigate runtime risks, reflecting a security-conscious approach to front end engineering. Leveraged React and TypeScript to build these enhancements, ensuring a more productive and stable terminal environment for developers. The changes addressed key usability and reliability concerns, resulting in a more seamless and secure user experience within the terminal interface.