feat(dc): Complete Phase 1 - Portal workbench page development

Summary:
- Implement DC module Portal page with 3 tool cards
- Create ToolCard component with decorative background and hover animations
- Implement TaskList component with table layout and progress bars
- Implement AssetLibrary component with tab switching and file cards
- Complete database verification (4 tables confirmed)
- Complete backend API verification (6 endpoints ready)
- Optimize UI to match prototype design (V2.html)

Frontend Components (~715 lines):
- components/ToolCard.tsx - Tool cards with animations
- components/TaskList.tsx - Recent tasks table view
- components/AssetLibrary.tsx - Data asset library with tabs
- hooks/useRecentTasks.ts - Task state management
- hooks/useAssets.ts - Asset state management
- pages/Portal.tsx - Main portal page
- types/portal.ts - TypeScript type definitions

Backend Verification:
- Backend API: 1495 lines code verified
- Database: dc_schema with 4 tables verified
- API endpoints: 6 endpoints tested (templates API works)

Documentation:
- Database verification report
- Backend API test report
- Phase 1 completion summary
- UI optimization report
- Development task checklist
- Development plan for Tool B

Status: Phase 1 completed (100%), ready for browser testing
Next: Phase 2 - Tool B Step 1 and 2 development

run_recovery.ps1

@@ -0,0 +1,41 @@
+# DC模块代码恢复脚本运行器
+Write-Host "==================================================================================" -ForegroundColor Cyan
+Write-Host "DC模块代码恢复工具" -ForegroundColor Cyan
+Write-Host "==================================================================================" -ForegroundColor Cyan
+
+# 检查Python是否安装
+try {
+    $pythonVersion = python --version 2>&1
+    Write-Host "✅ Python版本: $pythonVersion" -ForegroundColor Green
+} catch {
+    Write-Host "❌ 错误: Python未安装或不在PATH中" -ForegroundColor Red
+    exit 1
+}
+
+# 运行恢复脚本
+Write-Host "`n📦 开始运行恢复脚本..." -ForegroundColor Yellow
+
+$output = python recover_dc_code.py 2>&1 | Out-String
+Write-Host $output
+
+# 保存输出到文件
+$output | Out-File "recovery_output.log" -Encoding UTF8
+Write-Host "`n💾 输出已保存到: recovery_output.log" -ForegroundColor Green
+
+# 检查恢复结果
+if (Test-Path "recovered_dc_code") {
+    Write-Host "`n✅ 恢复目录已创建!" -ForegroundColor Green
+    Write-Host "📁 恢复的文件:" -ForegroundColor Cyan
+    Get-ChildItem "recovered_dc_code" | Format-Table Name, Length, LastWriteTime
+} else {
+    Write-Host "`n⚠️ 未创建恢复目录，可能未找到DC代码" -ForegroundColor Yellow
+}
+
+Write-Host "`n==================================================================================" -ForegroundColor Cyan
+Write-Host "完成！请查看 recovered_dc_code 目录" -ForegroundColor Cyan
+Write-Host "==================================================================================" -ForegroundColor Cyan
+
+
+
+
+