make kestrel a tak server, so that it can send and receive pois as cots data

server/routes/health/ready.get.js

@@ -1 +1,9 @@
-export default defineEventHandler(() => ({ status: 'ready' }))
+import { healthCheck } from '../../utils/db.js'
+
+export default defineEventHandler(async () => {
+  const health = await healthCheck()
+  if (!health.healthy) {
+    throw createError({ statusCode: 503, message: 'Database not ready' })
+  }
+  return { status: 'ready' }
+})