Wire ProductEditorDrawer to existing /shop/products/{id}/variants REST
for list/save. Support attribute text parsing, batch replace save, and
optional save-variants-only. Align save endpoint JSON body parsing with
controller helper.
Wire ProductEditorDrawer to existing /shop/products/{id}/variants REST
for list/save. Support attribute text parsing, batch replace save, and
optional save-variants-only. Align save endpoint JSON body parsing with
controller helper.