feat: 添加关键词词云健康检查端点

src/app/api/keyword-cloud/health/route.ts

@@ -0,0 +1,53 @@
+import { NextResponse } from 'next/server';
+import { prisma } from '@/lib/prisma';
+
+export const dynamic = 'force-dynamic';
+
+/**
+ * GET /api/keyword-cloud/health
+ * 健康检查端点(用于监控)
+ */
+export async function GET() {
+  try {
+    // 检查数据库连接
+    await prisma.$queryRaw`SELECT 1`;
+
+    // 统计数据
+    const quarterCount = await prisma.quarter.count();
+    const keywordCount = await prisma.keyword.count();
+    const ruleCount = await prisma.visualStyleRule.count({
+      where: { enabled: true },
+    });
+    const errorCount = await prisma.keywordCloudErrorLog.count({
+      where: {
+        createdAt: {
+          gte: new Date(Date.now() - 24 * 60 * 60 * 1000), // 最近24小时
+        },
+      },
+    });
+
+    return NextResponse.json({
+      success: true,
+      status: 'healthy',
+      stats: {
+        quarters: quarterCount,
+        keywords: keywordCount,
+        activeRules: ruleCount,
+        recentErrors: errorCount,
+      },
+      timestamp: new Date().toISOString(),
+    });
+  } catch (error) {
+    console.error('Health check failed:', error);
+
+    return NextResponse.json(
+      {
+        success: false,
+        status: 'unhealthy',
+        error: error instanceof Error ? error.message : 'Unknown error',
+        timestamp: new Date().toISOString(),
+      },
+      { status: 503 }
+    );
+  }
+}