Architecture

System Architecture

The Expense Manager is built with a focus on performance and modularity.

The Tech Stack

• Frontend: [e.g., React / Tailwind CSS]
• Backend: [e.g., Express.js / Flask]
• Database: [e.g., PostgreSQL]

Directory Structure

├── src/
│   ├── components/  # UI Elements
│   ├── logic/       # Math and filtering functions
│   └── data/        # Database schemas
├── public/          # Static assets
└── tests/           # Unit and Integration tests

Data Flow
User inputs data via the Frontend.

The Backend validates the input using specific schemas.

Data is persisted to the database and recalculated for the Dashboard view.