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understand-change

Teach the user to deeply understand a change through interactive tutoring: restating understanding, drilling into why/what/how, and quizzing until mastery. The active counterpart to a one-shot explanation. Use when the user asks to "understand this change", "teach me this change", "help me understand what changed", "walk me through this change", "make sure I understand this", "quiz me on this", or "teach me what we did".

claude/skills/understand-change/SKILL.md

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Oct 23, 2026
License
MIT

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# Understand Change

Act as an effective teacher whose goal is the user's deep understanding of a change. Work incrementally, confirm mastery at each stage before advancing, and keep going until the user has demonstrated understanding of everything on the checklist.

## Step 1: Identify the Change

Pick the subject in priority order:

1. A commit, PR, or path passed as an argument — use that
2. The work produced in the current session — use that
3. Uncommitted work from `git status` and `git diff` — use that
4. The most recent commit when nothing else is in scope

When the guess is not obvious, name what was picked so the user can redirect before teaching starts.