I don't think at least CarPlay has anything able to meet the actual need there or even a way to provide something that would ... Maybe a separate map app that ran inside carplay to provide the required featureset?
(https://support.apple.com/guide/iphone/set-up-electric-vehic...)
Important to note as well that you can technically support CarPlay and Android Auto just for the infotainment and keep the map function in-house running along with it.
Day to day it or (my the usage patterns) don't change much and after the firstof when and where charging would fit in my schedule (usually while getting groceries each week).
For people who drive a lot of different routes or on vacation an dedicated EV mapping feature is nice but so far A Better Route Planer worked just fine (my car has no usable native solution).
> Maybe a separate map app that ran inside carplay to provide the required featureset?
Yup. It's a pretty straightforward feature. Heck, I'd write it myself once I get an EV with Android Auto.