Definitely wipe it down more regularly. I can't help about gold safe polishes, even though I have two guitars with gold hardware myself, so you might want to wait for someone else to chime in. Most regular guitar hardware polishes will eat away the gold plating, fwiw.
I'm not a prs guy, so I have no experience with their hardware, but do you have a stop bar or trem? If you have a stop bar, you could probably test it out on the underside of that first.
That is exactly what I did! Worked great. I wouldn't do it regularly, but the guitar is 17 years old, so I figured doing it once every couple of decades would be fine. I also went super light, but it was enough to get things looking better. Guitar looks all shiny and new after that and giving the fretboard a nice oiling.
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