Fabulous!! That seems to have done it. I deleted the old custom folder, restarted HASS, pulled from git again, restarted, plugged in credentials, and I’m seeing the sensors now. I don’t have much time to poke around right now, but this looks great. Thank you @arturzx !!
For what it’s worth, I’m running Home Assistant v 2021.12.10. Python version 3.9.7.
I look forward to trying out the card.