diag: ready bind on root VBox to inspect AgentIO widget state

wwwroot/index_cockpit.ui

@@ -200,5 +200,14 @@
                 }
             ]
         }
+    ],
+    "binds": [
+        {
+            "wid": "self",
+            "event": "ready",
+            "actiontype": "script",
+            "target": "self",
+            "script": "console.log('DIAG: VBox ready');var ai=bricks.getWidgetById('chat_input',bricks.app);console.log('DIAG: chat_input=',ai?'found':'NOT FOUND','type=',ai?ai.constructor.name:'N/A','url=',ai?ai.opts.url:'N/A');if(ai&&ai.inputw){ai.inputw.unbind('inputed');ai.inputw.bind('inputed',function(e){console.log('DIAG: inputed params=',JSON.stringify(e.params));});}"
+        }
     ]
-}
+}