Hey, no worries! I’m really glad you posted this here since it highlights that I need to update this topic to include information about the new auto-tagging feature!
With that said, I am not sure about your question at the moment. There are definitely ways to run commands from the rails console to accomplish something similar. See Administrative Bulk Operations for example. Would that work for you?
If not, your best bet would be to open a #feature topic with a request to extend the auto-tagging feature with an option to retroactively auto-tag topics.