Yeah, there isn't support for anything like that yet. I'm planning on having support for Kaitai Struct (and/or other definition languages) in addition to a tool

Yeah, there isn't support for anything like that yet. I'm planning on having support for Kaitai Struct (and/or other definition languages) in addition to a tool for automating repeating comments/highlights/etc, which might end up being able to do what you describe.