Memory & CLAUDE.md

# CLAUDE.md

## Project Overview
This is a Next.js 14 e-commerce application with TypeScript.

## Tech Stack
- Next.js 14 with App Router
- TypeScript 5.3
- Prisma ORM with PostgreSQL
- Tailwind CSS + shadcn/ui

## Development Commands
```bash
npm run dev      # Start development server
npm run test     # Run Jest tests
npm run lint     # ESLint check
npm run db:push  # Push Prisma schema
```

## Code Conventions
- Use functional components with hooks
- Prefer server components where possible
- Use Zod for validation
- All API routes should have error handling

## Directory Structure
```
src/
├── app/           # Next.js app router
├── components/    # React components
├── lib/           # Utilities and helpers
├── prisma/        # Database schema
└── types/         # TypeScript types
```

## Important Files
- src/lib/auth.ts — Authentication logic
- src/lib/db.ts — Database client
- prisma/schema.prisma — Data model