diff --git a/wwwroot/api/cockpit_chat.dspy b/wwwroot/api/cockpit_chat.dspy
index 5f0218f..25a1d1c 100644
--- a/wwwroot/api/cockpit_chat.dspy
+++ b/wwwroot/api/cockpit_chat.dspy
@@ -2,13 +2,14 @@
 import aiohttp
 
 action = (params_kw or {}).get('action', 'list_messages')
-# AgentIO sends JSON body without action field — detect from message_text presence
+# AgentIO sends JSON body: {"params":{"prompt":"...","model_id":"..."},...}
 if action != 'send_message':
-    p = params_kw or {}
-    msg = (p.get('message_text') or '').strip()
+    try: p = dict(params_kw) if params_kw else {}
+    except: p = {}
+    msg = p.get('message_text', '') or ''
     if not msg:
-        inner = p.get('params', {})
-        if isinstance(inner, dict):
+        inner = p.get('params', None)
+        if hasattr(inner, 'get') and callable(inner.get):
             msg = (inner.get('prompt') or inner.get('message_text') or '').strip()
     if msg:
         action = 'send_message'