Enable experimental.session flag for @astrojs/node 9.4.1

Author: GeekTrainer

client/astro.config.mjs

@@ -14,7 +14,9 @@ export default defineConfig({
   vite: {
     plugins: [tailwindcss(), svelte()]
   },
-
+  experimental: {
+    session: true,
+  },
   adapter: node({
     mode: 'standalone'
   }),