Thank you :)
The reason Sylvia is in Syl'anar is because the high elf queen kicked her out on a "mission", with the goal of having Sylvia enslaved or killed so the high elf queen could consolidate her power. By kicking Sylvia out of royalty, the high elf queen now fully owns the mining industry.
Interact menus will likely not be coming to side characters, since they are side pieces. (But I still love them a lot)