Pedro Pacheco focused on improving the reliability of JSON schema handling in the ThioJoe/_tempFork_vscode repository during March 2025. He addressed a critical bug in the JSON client by refining the URI construction logic, ensuring that reserved characters were not encoded in JSON Schema URLs. This technical adjustment, implemented using TypeScript and front end development skills, preserved valid URLs for schema requests and prevented broken schema fetches. Although no new features were added, Pedro’s targeted fix stabilized schema-related functionality, reducing user-impacting failures. The work demonstrated a precise understanding of URL encoding and its impact on JSON schema interoperability within the extension.