I would love this set up on a color e-ink picture frame at the cabin (and would be willing to pay as a software product!). Can it be made to prep once and then

I would love this set up on a color e-ink picture frame at the cabin (and would be willing to pay as a software product!). Can it be made to prep once and then run fully offline indefinitely? Looks like mostly, except the wikipedia fetch. But that's only a few MB of text data that could easily be cached.