Khmer_Public_Holiday/ ├── app/ │ ├── main.py # FastAPI app and routes │ ├── models.py # Pydantic models + validation │ └── storage.py # JSON-file CRUD store ├── data/ │ └── holidays.json # Seed data ...

Recreate ledger—a plain-text double-entry accounting tool—as a modern web application using FastAPI and Python, focusing on professional application development practices. Individual users tracking ...