Context [here](https://github.com/readthedocs/sphinx-autoapi/issues/476#issuecomment-3070409044). It would be nice to be able to separately document a class and its `__init__` constructor. This could potentially be done by adding an extra option to [`autoapi_python_class_content`](https://sphinx-autoapi.readthedocs.io/en/latest/reference/config.html#confval-autoapi_python_class_content), say `separate`.