I decided to use "our friend the Internet" and came up with several articles that claim "chocolate" is definitely bad for birds. Most of them are similar to this one:
https://www.sonomabirding.com/can-birds-eat-chocolate/
So, I won't be feeding Azimuth any chocolate. Sad.
I buy little carob chips, which ARE bird safe, with my typical "Timber has Christmas all year long" orders. He loves them as a treat. I wonder how they would bake in things? I've never tried, he likes them plain.