Fix pretty printing

sia/base_agent.py

@@ -3,10 +3,11 @@ from typing import List
 import xml.etree.ElementTree as ET
 
 from .llm_engine import LlmEngine
+from .response_parser import ResponseParser
 from .system_metrics import SystemMetrics
+from .util import pretty_print_element
 from .working_memory import WorkingMemory
 from .xml_validator import XMLValidator
-from .response_parser import ResponseParser
 
 class BaseAgent(ABC):
     """
@@ -52,4 +53,4 @@ class BaseAgent(ABC):
         context = self._metrics.generate_context(context_size)
         for entry in memory_context:
             context.append(entry)
-        return ET.tostring(context, encoding="unicode")
+        return pretty_print_element(context)