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>

test-apis.js

@@ -0,0 +1,122 @@
+// Test script for the new API endpoints
+// This demonstrates how to use the APIs
+
+console.log('=== API Test Examples ===\n');
+
+// Test data for news/batch API
+const newsTestData = {
+  source: "test_crawler",
+  articles: [
+    {
+      title: "Breaking: Tech Company Announces Major Update",
+      content: "A leading technology company has announced a major update to their flagship product...",
+      url: "https://example.com/news/1",
+      publishedAt: "2024-01-20T10:00:00Z",
+      author: "John Doe",
+      category: "Technology"
+    },
+    {
+      title: "Market Analysis: Q1 2024 Trends",
+      content: "Financial experts predict significant changes in market trends for Q1 2024...",
+      url: "https://example.com/news/2",
+      publishedAt: "2024-01-20T11:00:00Z",
+      author: "Jane Smith",
+      category: "Finance"
+    }
+  ]
+};
+
+// Test data for legal-risk/analyze API
+const riskTestData = {
+  companyName: "TestCorp Inc.",
+  industry: "Financial Services",
+  description: "A fintech startup providing payment solutions",
+  dataPoints: {
+    revenue: 5000000,
+    employees: 25,
+    yearFounded: 2022,
+    location: "New York, USA",
+    publiclyTraded: false
+  },
+  concerns: [
+    "New to market",
+    "Regulatory compliance pending",
+    "Limited operational history"
+  ]
+};
+
+console.log('1. Test POST to /api/news/batch');
+console.log('   Command:');
+console.log(`   curl -X POST http://localhost:3000/api/news/batch \\
+     -H "Content-Type: application/json" \\
+     -d '${JSON.stringify(newsTestData, null, 2)}'`);
+
+console.log('\n2. Test GET from /api/news/batch');
+console.log('   Command:');
+console.log('   curl http://localhost:3000/api/news/batch');
+console.log('   curl "http://localhost:3000/api/news/batch?limit=5&source=test_crawler"');
+
+console.log('\n3. Test POST to /api/legal-risk/analyze');
+console.log('   Command:');
+console.log(`   curl -X POST http://localhost:3000/api/legal-risk/analyze \\
+     -H "Content-Type: application/json" \\
+     -d '${JSON.stringify(riskTestData, null, 2)}'`);
+
+console.log('\n4. Test GET from /api/legal-risk/analyze');
+console.log('   Command:');
+console.log('   curl http://localhost:3000/api/legal-risk/analyze');
+console.log('   curl "http://localhost:3000/api/legal-risk/analyze?company=TestCorp"');
+
+console.log('\n=== Expected Responses ===\n');
+
+console.log('News Batch POST Response:');
+console.log(JSON.stringify({
+  message: "News articles received successfully",
+  source: "test_crawler",
+  articlesReceived: 2,
+  articlesProcessed: 2,
+  totalStored: 2,
+  processedArticles: ["...array of processed articles..."]
+}, null, 2));
+
+console.log('\nLegal Risk Analysis Response:');
+console.log(JSON.stringify({
+  success: true,
+  analysis: {
+    companyName: "TestCorp Inc.",
+    riskLevel: "high",
+    riskScore: 65,
+    categories: {
+      regulatory: "high",
+      financial: "high",
+      reputational: "high",
+      operational: "high",
+      compliance: "medium"
+    },
+    factors: [
+      "Company founded less than 2 years ago",
+      "Small company size (less than 50 employees)",
+      "Regulated industry: Financial Services",
+      "3 specific concerns identified",
+      "Private company with limited public disclosure"
+    ],
+    recommendations: [
+      "Perform detailed background checks",
+      "Request financial statements and audits",
+      "Establish clear contractual protections",
+      "Schedule regular compliance reviews",
+      "Request proof of concept and business viability",
+      "Verify founders' backgrounds and experience"
+    ],
+    timestamp: "2024-01-20T12:00:00.000Z"
+  },
+  message: "Risk analysis completed for TestCorp Inc."
+}, null, 2));
+
+console.log('\n=== Notes ===');
+console.log('- Make sure the Next.js server is running on port 3000');
+console.log('- Run: npm run dev');
+console.log('- APIs use in-memory storage (data will be lost on server restart)');
+console.log('- News API stores up to 1000 articles');
+console.log('- Risk Analysis API stores up to 100 analyses');
+console.log('- PostgreSQL integration to be added later');