Generate professional commit messages from staged changes following Chris Beams' seven rules.
Use when user stages changes and requests commit message. Triggers include:
- Korean: "커밋 메시지 만들어줘", "커밋 메시지 작성해줘", "commit message 생성"
- English: "create commit message", "generate commit message", "write commit"
- Context: User has staged changes (git add) and needs a commit message