refactor backend module architecture

tests/test_transfer_preview.py

@@ -1,8 +1,8 @@
 from pathlib import Path
 
 
-from app.core.context import MediaInfo
-from app.core.meta import MetaBase
+from app.domain.context import MediaInfo
+from app.domain.meta.metabase import MetaBase
 from app.modules.filemanager import FileManagerModule
 from app.schemas import FileItem, TransferDirectoryConf
 from app.schemas.types import MediaType