During June 2026, contributed to the google-gemini/gemini-cli repository by developing a feature that enables GoogleGenAI to operate with air-gapped Service Identity and flexible proxy or endpoint configuration, supporting deployments in restricted network environments. This work involved updating the authentication library to manage air-gapped identities and enhancing the content generator to respect proxy settings. The implementation introduced environment-variable driven API endpoint injection, allowing dynamic configuration of GoogleGenAI. Leveraging TypeScript and Node within a full stack development context, the changes improved reliability and adaptability for users operating in secure or isolated networks, with a focus on robust testing and maintainable code structure.