fix: add 'model' field to AnalysisRequest schema to resolve AttributeError

app/models/schemas.py

@@ -118,6 +118,7 @@ class ExperimentalProtocol(BaseModel):
 class AnalysisRequest(BaseModel):
     """Requête d'analyse scientifique"""
     documents: List[ScientificDocument]
+    model: Optional[str] = None
     user_id: Optional[str] = None
     user_profile: Optional[str] = None
     user_notes: Optional[str] = None

app/schemas/all_schemas.py

@@ -88,6 +88,7 @@ class PaperResponse(PaperBase):
 class AnalysisRequest(BaseModel):
     analysis_type: str = "comprehensive"
     paper_ids: List[str]
+    model: Optional[str] = None
     user_id: Optional[str] = None
     user_profile: Optional[str] = None
     reasoning_depth: Optional[str] = "exhaustive"