Feat/tenant model (#13072)

### What problem does this PR solve?

Add id for table tenant_llm and apply in LLMBundle.

### Type of change

- [x] Refactoring

---------

Co-authored-by: Yingfeng <yingfeng.zhang@gmail.com>
Co-authored-by: Liu An <asiro@qq.com>

api/utils/tenant_utils.py

@@ -0,0 +1,26 @@
+#
+#  Copyright 2026 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 api.db.services.tenant_llm_service import TenantLLMService
+
+def ensure_tenant_model_id_for_params(tenant_id: str, param_dict: dict) -> dict:
+    for key in ["llm_id", "embd_id", "asr_id", "img2txt_id", "rerank_id", "tts_id"]:
+        if param_dict.get(key) and not param_dict.get(f"tenant_{key}"):
+            tenant_model = TenantLLMService.get_api_key(tenant_id, param_dict[key])
+            if tenant_model:
+                param_dict.update({f"tenant_{key}": tenant_model.id})
+            else:
+                param_dict.update({f"tenant_{key}": 0})
+    return param_dict