feat: 实现新闻批量接收和法律风险分析API

- 添加 /api/news/batch 端点用于接收和查询新闻数据
- 添加 /api/legal-risk/analyze 端点用于企业风险评估
- 使用内存存储（后续将迁移至PostgreSQL）
- 包含测试脚本和使用示例

🤖 Generated with Claude Code

Co-Authored-By: Claude <noreply@anthropic.com>

API_DELIVERY_SUMMARY.md

@@ -0,0 +1,79 @@
+# API Extension Delivery Summary
+
+## Completed Tasks ✅
+
+### 1. News Batch API (`/api/news/batch`)
+- **Location**: `src/app/api/news/batch/route.ts`
+- **Features**:
+  - POST: Receive batch news data from crawlers
+  - GET: Retrieve latest news (default 10, max 100)
+  - In-memory storage (up to 1000 articles)
+  - Filtering by source and category
+  
+### 2. Legal Risk Analysis API (`/api/legal-risk/analyze`)
+- **Location**: `src/app/api/legal-risk/analyze/route.ts`
+- **Features**:
+  - POST: Analyze enterprise risk levels
+  - GET: Retrieve analysis history
+  - Risk scoring algorithm (0-100)
+  - Risk categorization (regulatory, financial, reputational, operational, compliance)
+  - Automated recommendations based on risk level
+  - In-memory storage (up to 100 analyses)
+
+## Test Commands
+
+### News API Test
+```bash
+# POST news articles
+curl -X POST http://localhost:3000/api/news/batch \
+  -H "Content-Type: application/json" \
+  -d '{
+    "source": "test_crawler",
+    "articles": [
+      {
+        "title": "Test Article",
+        "content": "Article content here...",
+        "url": "https://example.com/news/1",
+        "category": "Technology"
+      }
+    ]
+  }'
+
+# GET latest news
+curl http://localhost:3000/api/news/batch
+```
+
+### Legal Risk API Test
+```bash
+# POST risk analysis
+curl -X POST http://localhost:3000/api/legal-risk/analyze \
+  -H "Content-Type: application/json" \
+  -d '{
+    "companyName": "TestCorp Inc.",
+    "industry": "Financial Services",
+    "dataPoints": {
+      "employees": 25,
+      "yearFounded": 2022,
+      "publiclyTraded": false
+    }
+  }'
+
+# GET analysis history
+curl http://localhost:3000/api/legal-risk/analyze
+```
+
+## Files Created
+1. `src/app/api/news/batch/route.ts` - News batch API endpoint
+2. `src/app/api/legal-risk/analyze/route.ts` - Legal risk analysis API endpoint
+3. `test-apis.js` - Test script with usage examples
+4. `API_DELIVERY_SUMMARY.md` - This documentation
+
+## Notes
+- Both APIs use in-memory storage temporarily (PostgreSQL integration pending)
+- Server must be running on port 3000 (`npm run dev`)
+- APIs follow Next.js App Router conventions
+- TypeScript with proper type definitions
+- Error handling and validation included
+
+## Delivery Time
+Completed before 18:00 deadline ✅