🎨 Palette: 빈 디렉토리 상태 폴더 아이콘 및 시각적 정렬 개선

[seonghobae]

💡 What: 빈 디렉토리 상태의 UI에 빈 폴더 아이콘(📂)과 flex 정렬 속성을 추가했습니다.
🎯 Why: 기존에는 "이 디렉토리는 비어 있습니다." 텍스트만 표시되어 다소 밋밋하고 다른 목록 항목들과 비교해 시각적 단서가 부족했습니다.
📸 Before/After: (Visual changes provided in code logic)
♿ Accessibility: 이모티콘 기호를 스크린 리더가 소리 내어 읽어 혼란을 주는 것을 방지하기 위해 <span class="icon" aria-hidden="true">로 감싸 접근성을 강화했습니다.

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PR created automatically by Jules for task 9665536997752755826 started by @seonghobae

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📥 Commits

Reviewing files that changed from the base of the PR and between a859a11 and e2b28d6.

📒 Files selected for processing (3)

• .jules/palette.md
• src/main/kotlin/html4tree/main.kt
• src/test/kotlin/html4tree/MainTest.kt

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[seonghobae]

Closing as superseded by the protected base and draft canonical #360. Semantic empty-state status and aligned decorative treatment are already present. #360 owns the remaining evidence-based contrast, separators, keyboard focus/hover, reduced-motion, dark-mode cascade, browser tests, WCAG 2.2 doctoring, and changelog after #363. An emoji-only swap is not retained without cross-platform visual/accessibility evidence. No result from this duplicate head is reused.

[google-labs-jules]

Closing as superseded by the protected base and draft canonical #360. Semantic empty-state status and aligned decorative treatment are already present. #360 owns the remaining evidence-based contrast, separators, keyboard focus/hover, reduced-motion, dark-mode cascade, browser tests, WCAG 2.2 doctoring, and changelog after #363. An emoji-only swap is not retained without cross-platform visual/accessibility evidence. No result from this duplicate head is reused.

Understood. Acknowledging that this work is now superseded by #360 and stopping work on this task.