Built SketchWiz, a real-time AI-powered collaborative canvas where you can draw, write math/physics problems, and get instant AI help to solve or enhance them. Think of it as an AI-Excalidraw powered by Google Gemini, WebSockets, and a room-based system that keeps your work synced and persistent. Whether you’re sketching ideas or tackling equations with friends, SketchWiz makes collaboration fast, interactive, and genuinely useful.