the Rec strikes me as an anti-piracy craft.with her load-out.
we've established that she can be devastating against transports and fighters with her secondary armaments, and her heavy guns seem quite capable of taking on Corvettes and Frigates, which were likely the most powerful craft most pirate groups at the time could get their hands on.
in mod, she can outpace many capital ships, so assuming that is the case in-universe, maintaining a blockade or running down fleeing pirate forces seems possible, especially if you take into consideration her long-range Turbolaser. in theory, the ship could dump her shield generation power into engines to chase down fleeing ships so that her other forward mounted guns could be brought into range. obviously there is no evidence of this happening so i won't recommend that capability being brought into the mod, but it seems like it might be used in such a manner.
her fighter compliment of 240 Droid Starfighters (In-Universe) could outnumber and overwhelm most if not all pirate forces that could be mustered against the ship, should it need the extra firepower against fighters or in general.
her 40,000 battle droids, while not skilled (assuming B-1 model), could be used for boarding actions against enemy ships or bases if you wanted the target taken (semi)intact, although her lack of Ion Cannons makes a perfect capture with no damage nearly impossible
using PR math, 960 Light Lasers translates into 480 Lasers, which translates into 240 Heavy Lasers, which turns into 120 Light Turbolasers, which translates into 60 Turbolasers, which translates into 30 Heavy Turbolasers in terms of raw power. given that, you'd probably have to have a dozen or so Lancers to counter that, and most of them would probably be severely damaged if not destroyed.
it says that the ship was based on plans stolen from the Mon Calamari. as described in HttE, the Mon Cal's were the bane of smugglers. this ship or others like her might have been the reason why.