I built a digital calendar

Years ago, I was gifted a Lenovo/Google Assistant smart clock. It was good! It's not necessary by any means, but I liked that it was a smart speaker with physical buttons, and I liked that I could set alarms by talking to it instead of memorising the arcane button sequences many digital clocks expect you to know. I liked that it had a nightlight built in. It no longer works. I don't know why. It…