*** 📎 Style & Conventions: Python
    + **Use Python** as the primary language.
    + **Follow PEP8**, use type hints, and format with =black=.
    + **Use =pydantic= for data validation**.
    + Use =FastAPI= for APIs and =SQLAlchemy= or =SQLModel= for ORM if applicable.
    + Write **docstrings for every function** using the Google style:
  #+begin_src python
  def example():
      """
      Brief summary.

      Args:
          param1 (type): Description.

      Returns:
          type: Description.
      """
  #+end_src