### Identify Icechunk store groups directly from Item metadata - Fix known issue when attempting to open an Item pointing to a specific group within a hierarchical Icechunk repo using `open_dataset()`. - When a user specifies a `group` parameter, pass this to underlying `open_zarr()` call. - Otherwise, specify the `group` parameter internally using the `group` attribute of the underlying Item asset.
Identify Icechunk store groups directly from Item metadata
open_dataset().groupparameter, pass this to underlyingopen_zarr()call.groupparameter internally using thegroupattribute of the underlying Item asset.