Python Development Guidelines

Every rule in guidelines.txt, design.md, and patterns.md is a hard constraint. Apply them while writing code, not only during review.

Sources:

• Lint rules — Ruff: https://docs.astral.sh/ruff/rules/
• Design guidelines — Google Python Style Guide: https://google.github.io/styleguide/pyguide.html
• Patterns — python-patterns.guide by Brandon Rhodes: https://python-patterns.guide/

Reading protocol

Load files in this order; stop when the task's scope is satisfied.