One of the fun things about building electric guitars is wiring them up. Factory wiring tends to be simple, minimizing the amount of fussy handwork required. Many manufacturers keep strictly to 'classic' designs, seldom if ever changing anything. These designs are generally simplistic, often crude or even stupid, and sometimes outright flawed. There is no need for you to do this. I don't. Here are some of the things I have done over the years. I don't claim to have invented any of this, although some of these schematics I have never seen anywhere else, and had to derive them myself.
I took this 'Bird down from it's usual place up on the wall to take some measurements, and I noticed that it had grown fangs along the ( otherwise excellent Mighty-Mite ) neck that were not there before. Sharp fret ends is something I see people piss and moan about all the time. It is going to happen. It's not that the frets weren't dressed properly at the factory, the problem is that most guitars are made in warm humid places like China, Mexico, Indonesia, and Tennessee in the summer. Wood swells with moisture. When they are brought to the USA and placed in a dry heated winter house, the wood dries and shrinks a tiny bit, and the fret ends protrude. Everything about fretwork is a matter of thousandths of an inch, even the tiniest discrepancies are obvious. So this is not a defect, it is something that is simply going to happen, and it is easy to fix.