Jerilyn Zheng focused on enhancing documentation-driven onboarding for the Vercel AI Gateway, contributing to both the sst/opencode and charmbracelet/crush repositories. She developed unified access documentation and updated onboarding materials, enabling teams to more efficiently integrate AI model management through a single gateway endpoint. Her work involved detailed Markdown documentation and API integration guidance, clarifying setup and configuration for developers. By improving README content and provider listings, Jerilyn streamlined the process of accessing AI models and managing API keys. The depth of her contributions lay in addressing developer experience and adoption, rather than implementing new features or fixing bugs directly.