🎨 Palette: 테이블 반복 액션 버튼의 스크린 리더 접근성 개선

[seonghobae]

Superseded by #162, which already contains the same contextual table-action labeling change.

[google-labs-jules]

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[Copilot]

Pull request overview

데모 테이블에서 같은 텍스트의 액션(예: “Details”, “Status JSON”)이 반복될 때 스크린 리더 사용자가 각 버튼의 대상(어떤 파일/행인지)을 구분할 수 있도록, aria-label을 행별로 구체화해 접근성을 개선한 PR입니다.

Changes:

• demo.js의 createLink / createActionButton에 선택적 aria-label 인자를 추가
• renderHistory에서 각 행의 파일명을 포함한 동적 aria-label(예: Details for ${fileName})을 생성해 버튼/링크에 적용
• Jules 팔레트 문서에 해당 접근성 개선 학습/액션 항목을 기록

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
src/main/resources/static/assets/viewer/demo.js	반복 액션 버튼/링크에 행 컨텍스트를 포함한 aria-label을 부여할 수 있도록 유틸과 호출부를 확장
.jules/palette.md	반복 액션 버튼의 스크린 리더 맥락 손실 문제와 aria-label 동적 생성 대응을 학습 항목으로 문서화

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