Fetch PR Diff

Fetches a pull request diff, filters out auto-generated files, and adds line numbers for easier review comment placement.

Usage

uv run skills fetch-diff <pr_url> [--files <pattern> ...]

Examples:

# Fetch the full diff
uv run skills fetch-diff https://github.com/mlflow/mlflow/pull/123

# Fetch only Python files
uv run skills fetch-diff https://github.com/mlflow/mlflow/pull/123 --files '*.py'