If you don't already, overhead lifting should have some sort of secondary belay.

arborists have some interesting stuff for raising and lowering people and branches.

A prussic minding pulley with a short prussic also works amazingly well.
You can get heat resistant prussics now too,
https://www.bluewaterropes.com/product/vt-prusik/
tho the ones I carry climbing are a Dynamic nylon so they can also be a stand alone leash with dynamic properties.
https://www.bluewaterropes.com/product/dynamic-prusik-cord/