Hand-drawn sketch app with checkpoint timeline, visual diff, and AI-powered change descriptions.

npm install
cp .env.example .env.local
# Edit .env.local with your Supabase and (optional) OpenAI keys
npm run dev

Open http://localhost:5173.

Apply the schema in supabase/schema.sql to your Supabase project.

Required env vars (Vite requires the VITE_ prefix):

• VITE_SUPABASE_URL
• VITE_SUPABASE_PUBLISHABLE_KEY

• npm run dev — development server
• npm run build — production build
• npm run typecheck — TypeScript check