There are a number of ways to wrap native code libraries as a managed library. I did it once (packaged an Obj-C library as a .NET DLL for a Xamarin app) back in 2018 but had lots of help from a teammate who knew that dance far better than me and I forgot all of the details. I googled and found at least four different blogs posts showing how to do it.
I know that's not an answer but if you're feeling adventurous you might be able to help the project.
This new unit is more significant on mobile browsers and as of now only firefox support it. I've verified it myself. Ref: https://caniuse.com/?search=dvh
Ask questions. Like, How does this work in that scenario? What if it fails on high traffic? If their idea is flawed they themselves will understand it. Then we can propose our approach. Encourage them to ask questions. This will help to find gaps in our approach. Who knows, sometimes we were wrong in the first place.
I created a PWA wrapper to search for covid vaccine availability without logging in to the main app. This is based on the public api provided by the government.