During February 2026, contributed to the th-ch/youtube-music repository by delivering enhanced Chinese language support for multilingual lyrics processing. Developed a feature that enables conversion between Simplified and Traditional Chinese scripts and improved the Pinyin Romanization process to display tones accurately, directly addressing user experience needs for Chinese-language users. Collaborated with other contributors to ensure the feature integrated smoothly with existing CI/CD workflows and maintained repository standards. The work involved front end and full stack development using JavaScript, TypeScript, and Node, focusing on maintainability and clear commit practices while expanding the platform’s accessibility for a broader multilingual audience.