As I had mentioned on another post any development of Psyche, or any other potential outpost in the solar system, would depend on future advancements in space propulsion, AI, robotics, 3D printing, etc.

We would NOT have to haul all the custom specialized mining and refining factories out there, or have a perfect understanding of what and where the material was. We could send a spacecraft with a half dozen industrial 3D printers, maybe a dozen or more mining and construction robots, and an advanced AI with a mission program to learn and use insitu materials to begin long term construction of a facility years or decades ahead of human arrival. Its progress could be monitored and adjusted over time to make sure it is proceeding on track.

The same tech could be used to pre-construct space bases on the moon and Mars. And of course the process would be used and refined there before ever being sent to Psyche or other deeper space locations. Robots don't require the level of "life support" humans do. Obviously this level of technology does not currently exist but I don't believe it's more than a few decades down the road.