Nelson-GPT - Medical AI Assistant PWA

A specialized medical AI assistant powered by the Nelson Textbook of Pediatrics, designed for healthcare professionals and medical students.

• 🏥 Medical AI assistant with evidence-based responses
• 📱 Progressive Web App (PWA) with offline functionality
• 💬 ChatGPT-like interface with real-time streaming responses
• 🔍 RAG (Retrieval-Augmented Generation) workflow
• 📚 Powered by Nelson Textbook of Pediatrics content
• 🎨 Modern, clean UI with smooth transitions
• 📲 Full-screen mobile experience
• 🔔 Push notifications support

• Frontend: React + TypeScript + Tailwind CSS
• Backend: Hono API framework
• Database: Supabase with PGVector for vector search
• AI: Mistral API for LLM responses
• Embeddings: Hugging Face sentence-transformers
• Animations: Lottie
• PWA: Service Worker + IndexedDB

├── backend/
│   ├── index.ts           # Main API server
│   ├── routes/
│   │   ├── chat.ts        # Chat API endpoints
│   │   └── embeddings.ts  # Embedding generation
│   └── services/
│       ├── supabase.ts    # Supabase client
│       ├── mistral.ts     # Mistral API client
│       └── embeddings.ts  # HuggingFace embeddings
├── frontend/
│   ├── index.html         # Main HTML template
│   ├── index.tsx          # React entry point
│   ├── components/
│   │   ├── App.tsx        # Main app component
│   │   ├── SplashScreen.tsx
│   │   ├── ChatInterface.tsx
│   │   ├── Sidebar.tsx
│   │   └── MessageBubble.tsx
│   ├── hooks/
│   │   └── useChat.ts     # Chat functionality hook
│   ├── services/
│   │   ├── api.ts         # API client
│   │   └── offline.ts     # Offline storage
│   ├── manifest.json      # PWA manifest
│   └── sw.js             # Service worker
└── shared/
    └── types.ts          # Shared TypeScript types

The following environment variables are configured:

• VITE_MISTRAL_API_KEY: Mistral API key for LLM responses
• VITE_SUPABASE_URL: Supabase project URL
• VITE_SUPABASE_ANON_KEY: Supabase anonymous key
• VITE_SUPABASE_SERVICE_ROLE_KEY: Supabase service role key
• VITE_HUGGINFACE_API_KEY: Hugging Face API key for embeddings

1. The app is configured as an HTTP val
2. Visit the app URL to access Nelson-GPT
3. Install as PWA on mobile devices for full-screen experience
4. Chat with the AI assistant for pediatric medical queries

• Real-time streaming responses
• Message history
• Typing indicators
• Mobile-optimized input

• Service worker caching
• IndexedDB for message persistence
• Offline-first architecture

• RAG workflow with Nelson Textbook content
• Vector similarity search
• Evidence-based responses
• Pediatric specialization