Fix: model not authorized (#12001)

### What problem does this PR solve?

Fix model not authorized. #11973.


### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

common/parser_config_utils.py

@@ -0,0 +1,30 @@
+#
+#  Copyright 2025 The InfiniFlow Authors. All Rights Reserved.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+#
+
+from typing import Any
+
+
+def normalize_layout_recognizer(layout_recognizer_raw: Any) -> tuple[Any, str | None]:
+    parser_model_name: str | None = None
+    layout_recognizer = layout_recognizer_raw
+
+    if isinstance(layout_recognizer_raw, str):
+        lowered = layout_recognizer_raw.lower()
+        if lowered.endswith("@mineru"):
+            parser_model_name = layout_recognizer_raw.rsplit("@", 1)[0]
+            layout_recognizer = "MinerU"
+
+    return layout_recognizer, parser_model_name