modifies orchestrator,add code_exec tool, openai_chat (later we add chat)

orchestrator_functions.py

@@ -603,11 +603,12 @@ async def csv_chart(csv_url: str, query: str):
         try:
             # --- 1. First Attempt: OpenAI ---
             openai_result = await asyncio.to_thread(openai_chart, csv_url, query)
-            logger.info(f"OpenAI chart result:", openai_result)
+            logger.info("OpenAI chart result:", openai_result)
 
             if openai_result and openai_result != 'Chart not generated':
                 return await upload_and_return(openai_result)
 
+            print("OpenAI failed, Failed for: ", openai_result)
             raise Exception("OpenAI failed to generate chart")
 
         except Exception as openai_error: