fix(n8n-webhook): deploy and verify expanded action bus

skills/n8n-webhook/assets/test-fetch-and-normalize-url.json

@@ -2,7 +2,7 @@
   "action": "fetch_and_normalize_url",
   "request_id": "test-fetch-001",
   "args": {
-    "url": "https://example.com",
+    "url": "http://192.168.153.113:18808/healthz",
     "max_chars": 2000
   }
 }