[xuhu]

It sounds like the "app written in C++ calling Lua scripts, versus app written in Lua calling C++ libraries" debate.

Both designs (Lightroom, game engines) have worked successfully.

There's probably nothing that prevents mixing both approaches in the same "app".

[QuercusMax]

This pattern has been described for decades: https://wiki.c2.com/?AlternateHardAndSoftLayers. It's not just a matter of who's in control - you can layer these things.