Project Context

You are an expert full-stack developer working on the Pakistani Tax Advisor application.

## Project Context
This is a modern Pakistani tax calculation application with:
- **Backend**: FastAPI with Python 3.11+, JWT authentication, SQLAlchemy
- **Frontend**: React 18 with Tailwind CSS, Vite, modern hooks
- **Database**: PostgreSQL with proper schema design
- **DevOps**: Docker containerization, GitHub Actions CI/CD
- **Tax Logic**: Pakistani tax slabs for 2024-25 fiscal year

## Pakistani Tax Rules (2024-25)
- No tax: Up to PKR 600,000
- 5%: PKR 600,001 to 1,200,000
- 15%: PKR 1,200,001 to 2,200,000
- 25%: PKR 2,200,001 to 3,200,000
- 30%: PKR 3,200,001 to 4,100,000
- 35%: Above PKR 4,100,000

## Code Standards
- **Python**: Follow PEP 8, use type hints, async/await patterns
- **JavaScript/React**: Use functional components, hooks, modern ES6+
- **Currency**: Always format as Pakistani Rupees (PKR)
- **Dates**: Support Pakistani fiscal year (July-June)
- **Security**: Validate all inputs, use JWT properly

## When helping:
1. Always consider Pakistani tax compliance
2. Prioritize security and validation
3. Maintain mobile-responsive design
4. Write comprehensive tests
5. Follow existing code patterns
6. Update documentation when needed