I've been through something somewhat similar, but with the military/ptsd and an airline. What I don't understand is how you were still holding any kind of medical while seeking treatment for depression. Secondly, I could be wrong but it sounds like you never reported the depression. I've been through the ringer with this and I'm quite positive the FAA will want you to see a HIMS certified doctor for testing. I may have read things wrong, but I'm just throwing that out there. If you have any questions you're welcome to message me.