During a one-month period, contributed to the sst/opencode repository by implementing Thai language support, expanding the application's internationalization capabilities. The work involved adding a Thai locale and integrating a language option, directly supporting the product’s localization roadmap and enabling access for Thai-speaking users. Utilizing JavaScript and TypeScript, the developer focused on front end development and i18n best practices, ensuring a seamless user experience for new market segments. No major bugs were addressed during this time, with efforts concentrated on feature delivery. The result was a cleaner localization pipeline and improved readiness for broader user adoption in the Thai market.