Add learn-quiz skill

[yulonglin]

Summary

Adds a new learn-quiz skill at claude/skills/learn-quiz/SKILL.md.

The skill turns Claude into a patient, effective teacher that ensures the user deeply understands a subject (a codebase, PR/diff, concept, or the current session's work) rather than just nodding along.

Adapted from ThariqS's teaching gist.

Key behaviors

• Mastery checklist covering the problem (motivation, business logic, edge cases), the solution (design decisions and rejected alternatives), and broader context/impact
• Why-first teaching at multiple levels of detail
• Gap-driven — asks the user to restate understanding first, then teaches to the gap
• Varied quizzing — open-ended + multiple choice with randomized correct-answer position
• Progresses only after each item is genuinely mastered

Invocation

Triggers on phrases like "teach me", "quiz me", "make sure I understand", "help me learn this", or "walk me through what just happened".

🤖 Generated with Claude Code

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Generated by Claude Code

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⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 24bce4eb-a948-4503-87a6-ad196d4da339

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch claude/learn-quiz-skill-fzxPe

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