feat: add administrative commands to free up storage space by removing unused files (#18835)

api/extensions/storage/base_storage.py

@@ -30,3 +30,11 @@ class BaseStorage(ABC):
     @abstractmethod
     def delete(self, filename):
         raise NotImplementedError
+
+    def scan(self, path, files=True, directories=False) -> list[str]:
+        """
+        Scan files and directories in the given path.
+        This method is implemented only in some storage backends.
+        If a storage backend doesn't support scanning, it will raise NotImplementedError.
+        """
+        raise NotImplementedError("This storage backend doesn't support scanning")