Scout Rule

"Leave the code better than you found it."

Identify the top 3 highest-impact, lowest-risk improvement opportunities in files touched by a diff. Reads entire file content, not just changed lines. Focuses on pre-existing code quality — things the next developer will thank you for fixing.

Prerequisite check

git --version 2>/dev/null && git rev-parse --is-inside-work-tree 2>/dev/null

If git is not installed or the working directory is not a git repository, stop and report the issue. Do not proceed.