Introduce Expert Agent. Prompt agents from UI.

backend/src/server.py

@@ -224,7 +224,16 @@ def start_server(app):
                     await send({'message': "chat thread created", 'threadId': thread_id, 'nonce': nonce})
 
                 elif action == "send-agent-prompt":
-                    response = await app.send_agent_prompt(body['agentId'], body['content'])
+                    if 'instruction' not in body and 'input' not in body:
+                        await send({'error': "instruction or input required"})
+                        continue
+
+                    response = await app.send_agent_prompt(
+                        body['agentId'],
+                        body.get('instruction'),
+                        body.get('input'),
+                        body.get('options', {})
+                    )
                     await send({'message': "propmt sent", 'response': response, 'nonce': nonce})
 
                 elif action == "call-agent-action":