model相关参数和默认

app/models.py

@@ -5,6 +5,8 @@ from typing import Any, Dict, List, Optional, Union
 
 from pydantic import BaseModel, Field, HttpUrl
 
+from app.settings import DEFAULT_IMPORT_MODEL
+
 
 class LLMRole(str, Enum):
     USER = "user"
@@ -117,8 +119,8 @@ class DataImportAnalysisJobRequest(BaseModel):
         description="URL to notify when the analysis completes. Receives JSON payload with status/results.",
     )
     llm_model: str = Field(
-        "gpt-4.1-mini",
-        description="Target LLM model identifier. Defaults to gpt-4.1-mini.",
+        DEFAULT_IMPORT_MODEL,
+        description="Target LLM model identifier. Defaults to DEFAULT_IMPORT_MODEL.",
     )
     temperature: Optional[float] = Field(
         None,