There is an O-ring where the high pressure line meets the PS pump… held on by (2) 10mm bolts. It was more than likely disconnected during the engine work you had done prior… So replace that O-ring as not many replace it each time they disconnect it. Then clean off the pump and hoses with some de-greaser and water… This will help you ID the leak afterward…IF there is still a leak.
If the actual PS pump is not leaking from its input shaft or the pressure regulator nut (large nut on bottom of pump) then it would be that fitting with the O-ring and would be the very first thing to try. The “wet” hose is the return line and is not a pressurized line like the other one with the O-ring and fitting, its just a return to the reservoir.
I would replace that O-ring first…then clean it all off and monitor… Will probably be that simple. Its a common item to replace because of this exact issue.