🎨 Palette: Add tooltips to icon-only buttons

[seonghobae]

이 PR은 아이콘 전용 버튼(삭제, 확대/축소, 페이지 이동 등)에 title 속성을 추가하여 마우스 사용자에게 툴팁을 제공하는 마이크로 UX 개선 사항을 포함하고 있습니다. 시각적 피드백을 강화하여 접근성을 높이고, 해당 내용에 대한 새로운 배움을 .jules/palette.md 파일에 기록하였습니다. 모든 테스트 및 검증을 100% 통과했습니다.

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PR created automatically by Jules for task 7536997803112486985 started by @seonghobae

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📥 Commits

Reviewing files that changed from the base of the PR and between acdbea6 and 48b3b24.

📒 Files selected for processing (3)

• .jules/palette.md
• apps/desktop/src/features/score/ScoreView.tsx
• apps/desktop/src/features/score/ScoreViewer.tsx

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[devin-ai-integration]

Devin Review found 1 potential issue.

[devin-ai-integration]

📝 Info: Tooltips on natively disabled page buttons stay hidden

The prev/next page buttons use the native disabled prop, so their new title tooltip cannot appear while disabled since native disabled elements suppress hover events. The repo's own palette.md note recommends aria-disabled for this exact reason.

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[seonghobae]

Superseded by canonical Score accessibility owner #731 after a fresh exact-head comparison. #102248b3b24 adds only generic title attributes for Score Remove, Zoom Out/In, Previous, and Next plus a Jules note. #7315ea5663 already owns all of those pointer hints and stronger executable behavior: Remove/Open use file-specific enabled titles plus localized unavailable recovery titles; Zoom Out/In and Fit Width have localized titles; Previous/Next keep focus with aria-disabled, expose localized aria-describedby boundary guidance, use disabled-state-specific titles, and fail closed at the click boundary. The current #1022 Devin finding also identifies its native-disabled Previous/Next tooltip defect, which #731 already repairs. There is no unique buyer-visible behavior to preserve from #1022, and .jules/palette.md is not production authority. Closing this competing lane unmerged; continue Score tooltip/disabled-navigation work only on #731. Dependency-security remains #783-owned.

[google-labs-jules]

Superseded by canonical Score accessibility owner #731 after a fresh exact-head comparison. #102248b3b24 adds only generic title attributes for Score Remove, Zoom Out/In, Previous, and Next plus a Jules note. #7315ea5663 already owns all of those pointer hints and stronger executable behavior: Remove/Open use file-specific enabled titles plus localized unavailable recovery titles; Zoom Out/In and Fit Width have localized titles; Previous/Next keep focus with aria-disabled, expose localized aria-describedby boundary guidance, use disabled-state-specific titles, and fail closed at the click boundary. The current #1022 Devin finding also identifies its native-disabled Previous/Next tooltip defect, which #731 already repairs. There is no unique buyer-visible behavior to preserve from #1022, and .jules/palette.md is not production authority. Closing this competing lane unmerged; continue Score tooltip/disabled-navigation work only on #731. Dependency-security remains #783-owned.

Understood. Acknowledging that this work is now obsolete and stopping work on this task.