Over a two-month period, contributed to sst/opencode and anomalyco/opencode by delivering targeted improvements in both user interface and developer tooling. Enhanced UI readability and session timing in sst/opencode by refining light theme text contrast and introducing flexible timestamp displays, supporting better troubleshooting and agent monitoring. In anomalyco/opencode, implemented a unified quiet installation mode across npm, yarn, pnpm, bun, and brew, streamlining installation checks and reducing log verbosity for a cleaner developer experience. Maintained high technical quality through precise commit messages and issue traceability. Work primarily utilized JavaScript, TypeScript, and React, with a focus on UI and CLI development.