A marketplace app where people can post used items for sale and negotiate in a public chat room.

• 📦 Post items for sale with title, description, price, and contact info
• 💬 Public chat room for negotiations and discussions
• 🔍 Browse all available items
• 📱 Responsive design

├── backend/
│   ├── database/
│   │   ├── migrations.ts    # Database schema setup
│   │   └── queries.ts       # Database query functions
│   ├── routes/
│   │   ├── items.ts         # Item CRUD operations
│   │   └── chat.ts          # Chat message operations
│   └── index.ts             # Main Hono server
├── frontend/
│   ├── components/
│   │   ├── App.tsx          # Main app component
│   │   ├── ItemList.tsx     # Display items for sale
│   │   ├── ItemForm.tsx     # Form to post new items
│   │   └── ChatRoom.tsx     # Public chat interface
│   ├── index.html           # Main HTML template
│   └── index.tsx            # Frontend entry point
└── shared/
    └── types.ts             # Shared TypeScript types

• Backend: Hono (TypeScript API framework)
• Database: SQLite
• Frontend: React with TypeScript
• Styling: TailwindCSS
• Real-time: Polling for chat updates

The app is automatically deployed on Val Town. Visit the HTTP endpoint to start using the marketplace.