How do you create a blank annotation feature class with arcpy?
It's possible in the wizard, but not in CreateFeatureclass().
There was another question about it in 2018, but it was inconclusive. https://community.esri.com/t5/python-questions/how-to-create-edit-an-annotation-layer-using-arcpy/td...
If the tool doesn't exist in arctoolbox, then there is no arcpy access and you are left with the wizard option as you know
Create annotation feature classes—ArcGIS Pro | Documentation