Considering the new class system the developers want to implement, I’m not surprised if some of your ideas haven’t already been implemented or at least considered.
I believe the Enchantment system has some issues when it comes to gameplay and QoL, especially when you want to experiment with different builds.
And I wrote this post where I discuss the problem and propose a detailed solution: The RNG Problem, Enchantment System Vs Gem System (Major Edits), Your idea and mine are not too compatible but they are not incompatible either I think it will interest you.