# Tasks: Simplify Frontend Export Options

## 1. TaskDetailPage - Download Section

- [x] 1.1 Remove JSON download button
  - File: `frontend/src/pages/TaskDetailPage.tsx`
  - Remove: Button with `handleDownloadJSON` onClick
  - Remove: `handleDownloadJSON` function (lines 245-261)

- [x] 1.2 Remove UnifiedDocument download button
  - File: `frontend/src/pages/TaskDetailPage.tsx`
  - Remove: Button with `handleDownloadUnified` onClick
  - Remove: `handleDownloadUnified` function (lines 263-279)

- [x] 1.3 Remove Markdown download button
  - File: `frontend/src/pages/TaskDetailPage.tsx`
  - Remove: Button with `handleDownloadMarkdown` onClick
  - Remove: `handleDownloadMarkdown` function (lines 227-243)

- [x] 1.4 Update download grid layout
  - File: `frontend/src/pages/TaskDetailPage.tsx`
  - Change: Grid from 5 columns to 2 columns (only Layout PDF and Reflow PDF)
  - Update: `grid-cols-2 md:grid-cols-5` → `grid-cols-2`

## 2. TaskDetailPage - Translation Section

- [x] 2.1 Remove translation JSON download button
  - File: `frontend/src/pages/TaskDetailPage.tsx`
  - Remove: Button with `handleDownloadTranslation` onClick in translation list
  - Remove: `handleDownloadTranslation` function (lines 322-338)

- [x] 2.2 Simplify translated PDF download (remove Layout option)
  - File: `frontend/src/pages/TaskDetailPage.tsx`
  - Change: Remove Select dropdown for PDF format
  - Change: Replace with single "流式 PDF" download button
  - Keep: `handleDownloadTranslatedPdf` function (always use 'reflow' format)

## 3. Cleanup - Remove Unused Imports

- [x] 3.1 Remove unused Lucide icons
  - File: `frontend/src/pages/TaskDetailPage.tsx`
  - Removed: `FileJson`, `Database`, `FileOutput`
  - Keep: Icons still in use

## 4. Verification

- [ ] 4.1 Verify Layout PDF download works
  - Test: Click "版面 PDF" button
  - Expected: PDF downloads with preserved layout

- [ ] 4.2 Verify Reflow PDF download works
  - Test: Click "流式 PDF" button
  - Expected: PDF downloads with flowing text

- [ ] 4.3 Verify translated Reflow PDF download works
  - Test: Complete a translation, then click download
  - Expected: Translated PDF downloads in reflow format