backend/app/api/analysis.py

The file backend/app/api/analysis.py is part of the API LAYER. The QuestionRouter class is used by the API LAYER including the backend/app/api/analysis.py endpoint for processing queries. The API Layer contains the backend/app/api/analysis.py file. The file backend/app/api/analysis.py contains the /analysis/ask endpoint. The file backend/app/api/analysis.py contains the /analysis/query endpoint. The file backend/app/api/analysis.py contains the /analysis/history endpoint. The analysis.py API layer uses QuestionRouter to route questions to appropriate services.