feat: Add health check endpoint

api/health.js

@@ -0,0 +1,10 @@
+// Health check endpoint for Vercel
+module.exports = function handler(req, res) {
+    res.json({ 
+        status: 'ok',
+        timestamp: new Date().toISOString(),
+        endpoints: {
+            reportError: '/api/report-error'
+        }
+    })
+}