First

api.py

@@ -506,7 +506,16 @@ async def list_models():
         raise HTTPException(status_code=503, detail="Service unavailable: The backend driver is not ready.")
     except Exception as e:
         logger.error(f"An unexpected error occurred while fetching models: {e}", exc_info=True)
-        raise HTTPException(status_code=500, detail=f"An unexpected error occurred while fetching models: {str(e)}")
+        # Attempt captcha resolution then retry
+        try:
+            drv = driver_manager.get_driver()
+            driver_manager._perform_sync_captcha_checks(drv)
+            logger.info("Retrying model fetch after captcha checks...")
+            model_ids = await get_available_models()
+            return ModelListResponse(data=[ModelInfo(id=mid) for mid in model_ids])
+        except Exception as retry_e:
+            logger.error(f"Retry after captcha checks failed: {retry_e}", exc_info=True)
+            raise HTTPException(status_code=500, detail=f"An unexpected error occurred while fetching models: {str(retry_e)}")
 
 @app.post("/chat/completions", response_model=ChatCompletionResponse)
 async def chat_completions(request: ChatCompletionRequest):