Hello, I wanted to ask since it's not currently included in the configs from what I could find, but is it possible to include an option to specifically whitelist or blacklist certain foods based on the carnivore/herbivore origins? Modded foods aren't catagorized correctly and being able to go in and manually set them would be appreciated.

There is already a way, just not through a config file. You have to add items to the origins:meat tag, which is every edible food for a carnivore, and obviously inedible for vegetarians. There's the origins:ignore_diet tag, which is a list of all foods that ignore an Origin's diet (the list is empty by default). You can easily do this using a datapack, or KubeJS, or CraftTweaker.

You can also use JEI to search for the items in those tags. If you search for "$meat", you can see every item in the origins:meat tag.

Do as stated above, if you need to load a datapack without adding it manually, use Paxi or something similar.