The pup's a pocket gun, not a duty gun. I've carried it, w.o. cleaning it, for over 18 months before, and its always fired just fine.
Its not rated for +p or +p+, but as much as it recoils, I don't think you need more of it. I suspect the gun might be able take a limited amount of it, but unless its an emergency (EG, I'm pulling ammo out of my G17 to run in it) I won't try it.
However, it does recoil much less than a 340PD - I've only fired the old, Ti cylinder version, but w. 357s the recoil's just too severe - they make great 38s, but I really suggest shooting one before depending on one - my shot-to-shot times were absurdly slow w. a lightweight 357.
I've used either superlube or Brian Enos's Slide Glide to lube my carry guns, and haven't had any problems - for the long-term abuse of the pup, I've always used grease.
A pup will tolerate far more dirt and abuse than a wheel gun.
It takes a surprisingly small impact to a revolver to disable it, if its on the cylinder.
As far as racking on a boot, etc, you might be able to figure out a way to do that, but I would think that any set of sights substantial enough to permit that would really interfere w. the ability to pocket carry a gun*.
*I do have some pants in which I've pocket carried a P7 or a 329 NG - though usually just the 329NG - which is currently at S&W being repaired after a fall from my belt to the ground disabled it.
When I started shooting competitively, I quickly abandoned the idea of carrying a compact gun (my G29) and switched to full-size guns. The Rohrbaugh is a excellent example of the art of the possible. A G17 is a superior choice, except that there is a tendency to leave it behind, where I even keep the pup in my PJs/Bathrobe.