Worked on the archestra-ai/archestra repository to address OAuth metadata URL generation issues when deploying behind TLS-terminating reverse proxies. Implemented a proxy-aware fix by introducing the ARCHESTRA_TRUST_PROXY setting, ensuring that OAuth URLs are correctly generated with https in trusted-proxy environments. Updated backend configuration, documentation, and tests to support deployments with AWS ALB, nginx, and Cloudflare, reducing the risk of misconfiguration and broken integrations. Utilized TypeScript and JSON for backend development, leveraging Fastify and OAuth expertise. Coordinated changes to improve reliability and security, with plans for a follow-up regression test to further validate reverse-proxy scenarios.