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

vitest.integration.config.js

@@ -0,0 +1,15 @@
+import { defineConfig } from 'vitest/config'
+
+/**
+ * Run only integration tests (start real server, assert ports).
+ * Usage: npm run test:integration
+ */
+export default defineConfig({
+  test: {
+    include: ['test/integration/**/*.spec.js'],
+    exclude: ['**/node_modules/**'],
+    environment: 'node',
+    testTimeout: 120000,
+    hookTimeout: 100000,
+  },
+})