feat(openai): fix openai issues - tests are passed

-

src/openai_utils.py

@@ -70,7 +70,7 @@ async def check_openai_api_status() -> Tuple[bool, Dict[str, Any]]:
             status_info = {
                 "available": True,
                 "model": "gpt-4o-mini",
-                "usage": response.usage._asdict() if hasattr(response, "usage") else {},
+                "usage": vars(response.usage) if hasattr(response, "usage") else {},
                 "organization_id": getattr(response, "organization_id", None)
             }
             logger.info(f"API OpenAI jest dostępne, użycie tokenów: {status_info['usage']}")