After overresearching DIY systems for atmospheric water generation, I’ve finally started using the simplest high-output thing I could find:
Literally a normal dehumidifier. Maybe I’ll modify it later and probably I should take apart to see what kinds of plastics and metals are contacting the water, but for now we’ve got up to ~5 gallons per day of magic air water for plants / rinsing things. It eats almost 1 kW per hour, so need to put on a timer for now and should later link to turn off/on depending on battery state of charge…