The Problem GitHub profiles are data-rich but visually boring Developers want to "flex" their stats but have no aesthetic way to do it The Solution DevCard: enter username → pick theme → download PNG Show all 3 themes with screenshots How It Works (Architecture) Cloudflare Worker + GitHub GraphQL API (single query) Edge caching strategy Client-side rendering with html-to-image The CORS avatar trick (base64 conversion) The RPG Class System (fun sec...