I'm not sure what you are trying to achieve given the explanation. My Brain! The only thing I can think of that will give you the end result you are looking for (it is questionable if I am grasping the desired end result) you might want to turn on the "Paste Remembers Layers" in the Layers dropdown menu. This will at least allow you to copy and paste objects from one Illustrator document to another while remembering layer names.
If you just want Leadfile.ai to be the starting point with the layer structor you could save it as a .ait Illustrator Template file for distribution. Or if you are looking to open this document again and again as a starting point you can use the New Document dialog to target one Illustrator file as a starting point and have as a default New Document.