Mistral Large 3 NVFP4 support (#14485)

Co-authored-by: Linda-Stadter <57756729+Linda-Stadter@users.noreply.github.com>
Co-authored-by: Daniel Campora <961215+dcampora@users.noreply.github.com>
Co-authored-by: Xinyuan Tong <xinyuantong.cs@gmail.com>
Co-authored-by: elvischenv <219235043+elvischenv@users.noreply.github.com>

python/sglang/srt/utils/mistral_utils.py

@@ -1,5 +1,5 @@
+# Adapted from https://github.com/vllm-project/vllm/blob/main/vllm/transformers_utils/configs/mistral.py
 # SPDX-License-Identifier: Apache-2.0
-# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 import json
 from pathlib import Path
 from typing import Any
@@ -11,7 +11,7 @@ from sglang.srt.utils import logger
 
 def adapt_config_dict(
     config_dict: dict[str, Any], model: str, **kwargs
-) -> PretrainedConfig:
+) -> tuple[dict, PretrainedConfig]:
     config_dict.update(kwargs)
     config_dict = _remap_general_mistral_args(config_dict)