I agree, that would be fantastic for the sneaky-mage play style! I've played Skyrim with
Bound Weapon Redux for a while, and it adds bound daggers but also changes some perks and balancing in ways that I'm not sure will work with Enderal. I installed it but removed some things I was worried about conflicting, and it seems to be fine but I'm not confident enough of that to recommend it.
There's also
Bound Dagger, which had problems with Dawnguard and is older, but it's only got the one feature AFAIK, so it's less likely to conflict, and has open permission to be updated/incorporated into a new mod.