refac

backend/open_webui/config.py

@@ -973,6 +973,8 @@ RAG_FILE_MAX_COUNT = int(os.getenv('RAG_FILE_MAX_COUNT')) if os.getenv('RAG_FILE
 
 RAG_FILE_MAX_SIZE = int(os.getenv('RAG_FILE_MAX_SIZE')) if os.getenv('RAG_FILE_MAX_SIZE') else None
 
+ENABLE_KNOWLEDGE_FILE_RETENTION = os.getenv('ENABLE_KNOWLEDGE_FILE_RETENTION', 'False').lower() == 'true'
+
 RAG_FILE_CONTENT_SEARCH_MAX_CHARS = int(os.getenv('RAG_FILE_CONTENT_SEARCH_MAX_CHARS', str(64 * 1024 * 1024)))
 
 FILE_IMAGE_COMPRESSION_WIDTH = (