Programming

Owns repo-local implementation guidance and debugging. Prefer a narrower domain skill when one exists.

1. Scope

• Bash scripts and shell command design.
• Python utility edits, local execution, and general Python quality: type hints, pytest, uv/ruff/pyright tooling, Jupyter notebooks.
• Nix package workflow, especially fetcher hash acquisition.
• Terraform infrastructure code development, plan review, and Checkov security/compliance scanning.
• Markdown authoring and formatting rules.
• Red-Green-Refactor and Tidy First implementation loops.
• Systematic debugging: reproducers, working-pattern comparison, root cause.

Out of scope: