Updated UI to render images

Gradio_UI.py

@@ -153,8 +153,9 @@ def stream_to_gradio(
         ):
             yield message
 
-    final_answer = step_log  # Last log is the run's final_answer
-    final_answer = handle_agent_output_types(final_answer)
+    # The final streamed item is a FinalAnswerStep. Render its output rather
+    # than stringifying the wrapper (which hides AgentImage values).
+    final_answer = handle_agent_output_types(step_log.output)
 
     if isinstance(final_answer, AgentText):
         yield gr.ChatMessage(