Lightning adapters attached to the very end of the USB-C cable. Then we threw away basically all the lightning adapters.
Everything we own except her phone runs on USB-C now. (oh and some USB micro)
Something like this.
AmazonAmazon.com: TechMatte USB C Type C to Lightning Adapter [2 Pack] 12W Charging Compatible for iPhone 14 & Previous Models iPad iPod AirPods, Not for Headphones/OTG Android Anti-Lost Holder, Grey : Electronics
https://www.amazon.com/dp/B0CG197TYR/ref=nosim?tag=cougarboard07-20[https://www.amazon.com/TechMatte-Lightning-Compatible-Headphones-Anti-Lost/dp/B0CG197TYR/ref=sr_1_4?th=1]
(or 3D print the cable attachment)