The CAA have come a long way on the use of SSRI and depression and anxiety conditions. There is still some way to go, but if you are required to jump the extra huddle then the interview should not be a problem. When it was my time I met their chief consultant, sadly I can't remember his name other than he was a professor in the subject.
It was the usual review of your history and current medication and level of stability and review of all your medical history and medical reports.
Plus a Q&A period were you could ask him questions, which I found useful as another view point on the subject.... the end result was reinstatement of my medical certificate.
The protocol still needs some work to take into consideration new drugs and other treatments but we have a good baseline to work from.