Worked on the Gemini CLI repository to deliver a targeted test that validates the settings schema, focusing on ensuring the presence of the $schema property in generated configuration files. This addition improved schema reliability and enhanced editor usability by enabling validation and autocompletion features. Emphasized a test-driven development approach using TypeScript, schema validation, and automated testing to strengthen coverage and reduce the risk of misconfiguration in user-facing settings. Collaborated closely with the Gemini CLI team to maintain CI stability and streamline developer experience, contributing to monorepo workflows and reinforcing best practices for schema-based validation in TypeScript projects.