🎨 Palette: 빈 디렉토리 아이콘 시각적 일관성 개선

[seonghobae]

💡 What: 빈 디렉토리 상태를 나타내는 아이콘을 일반 정보 기호(ℹ)에서 열린 폴더 이모지(📂)로 변경했습니다.
🎯 Why: 파일 트리 UI에서 파일(📄) 및 폴더(📁) 아이콘들과 시각적인 일관성을 맞추어, 빈 디렉토리에 대한 사용자 인식을 더욱 직관적으로 돕기 위함입니다.
📸 Before/After: 빈 디렉토리 상태 표시가 "ℹ️ 이 디렉토리는 비어 있습니다." 에서 "📂 이 디렉토리는 비어 있습니다." 로 시각적으로 일관성 있게 변경되었습니다.
♿ Accessibility: 이모지 아이콘에는 기존과 동일하게 aria-hidden="true"가 적용되어 스크린 리더 사용자가 무의미한 특수 문자를 읽는 불편을 방지합니다.

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PR created automatically by Jules for task 12948662420812688042 started by @seonghobae

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📥 Commits

Reviewing files that changed from the base of the PR and between efde64c and 0e6cac2.

📒 Files selected for processing (4)

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

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[seonghobae]

Closing as a repeated duplicate of closed #369.

The production hunk and expected HTML regression are the same information-icon → open-folder substitution already reviewed in that predecessor. This branch adds no new accessibility, cross-platform rendering, Unicode/emoji fallback, visual regression, CHANGELOG, or authoritative design evidence; its only additional documentation is the non-authoritative .jules/palette.md journal.

Repeatedly reopening an identical cosmetic change consumes the same CI/review capacity without addressing a buyer-visible blocker. A future empty-state design change should be one maintained slice with rendered light/dark/high-contrast evidence, platform-font/emoji fallback, exact screen-reader behavior, authoritative CHANGELOG/doctoring, and no duplicate lineage. No prior check or review transfers.

[google-labs-jules]

Closing as a repeated duplicate of closed #369.

The production hunk and expected HTML regression are the same information-icon → open-folder substitution already reviewed in that predecessor. This branch adds no new accessibility, cross-platform rendering, Unicode/emoji fallback, visual regression, CHANGELOG, or authoritative design evidence; its only additional documentation is the non-authoritative .jules/palette.md journal.

Repeatedly reopening an identical cosmetic change consumes the same CI/review capacity without addressing a buyer-visible blocker. A future empty-state design change should be one maintained slice with rendered light/dark/high-contrast evidence, platform-font/emoji fallback, exact screen-reader behavior, authoritative CHANGELOG/doctoring, and no duplicate lineage. No prior check or review transfers.

Understood. Acknowledging that this work is now obsolete as it duplicates a previously closed PR and stopping work on this task.