diff --git a/hello-world/README.md b/hello-world/README.md
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+# Hello, world (Animica Chat smoke test)
+
+Created by the Animica Chat coding agent at 2026-05-29T15:50:33.265Z.
diff --git a/hello-world/index.js b/hello-world/index.js
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+// Tiny smoke-test program produced by the Animica Chat agent.
+console.log('Hello from the Animica Chat coding agent!');
diff --git a/hello-world/package.json b/hello-world/package.json
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+++ b/hello-world/package.json
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+{
+  "name": "animica-chat-hello",
+  "version": "0.0.1",
+  "private": true,
+  "scripts": {
+    "start": "node index.js"
+  }
+}