How much money do you want to spend? The hubs do exist: https://nabendynamo.de/en/products/hub-dynamos/for-thru-axles/
You can always use a higher spoke count on the front wheel compared to your rear wheel. It may look a bit odd, but that is about it.
Another option would be to get a 15 mm dynamo hub for boost and use a 15 to 12mm thru axle adapter.
I guess a 28h front with a 24h rear wont look too out of place and I totally didnt think about the adaptor axle thing- thank you
@harv4130 started
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How much money do you want to spend?
The hubs do exist:
https://nabendynamo.de/en/products/hub-dynamos/for-thru-axles/
You can always use a higher spoke count on the front wheel compared to your rear wheel. It may look a bit odd, but that is about it.
Another option would be to get a 15 mm dynamo hub for boost and use a 15 to 12mm thru axle adapter.