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

frontend-v2/package.json

@@ -10,10 +10,21 @@
     "preview": "vite preview"
   },
   "dependencies": {
+    "@ant-design/charts": "^2.6.6",
     "@ant-design/icons": "^6.1.0",
     "@tanstack/react-query": "^5.90.7",
+    "@tanstack/react-table": "^8.21.3",
+    "ag-grid-community": "^34.3.1",
+    "ag-grid-react": "^34.3.1",
     "antd": "^5.28.1",
     "axios": "^1.13.2",
+    "dayjs": "^1.11.19",
+    "dexie": "^4.2.1",
+    "diff-match-patch": "^1.0.5",
+    "immer": "^11.0.0",
+    "lodash": "^4.17.21",
+    "lucide-react": "^0.555.0",
+    "mathjs": "^15.1.0",
     "react": "^19.2.0",
     "react-dom": "^19.2.0",
     "react-router-dom": "^7.9.5",
@@ -22,6 +33,7 @@
   },
   "devDependencies": {
     "@eslint/js": "^9.39.1",
+    "@types/lodash": "^4.17.21",
     "@types/node": "^24.10.0",
     "@types/react": "^19.2.2",
     "@types/react-dom": "^19.2.2",