Hello, I know this is quite unrelated anhd doesnt answer your question but it caught my interest about what you said about a recuited Ayda. First of all, I assume by Ayda you mean Adya the dark elf alchemist in Gorn and secondly how did you recruited her because I dont know nor did i read anything about that she can be recruited?
since one or two versions ago she became recruitable after you save her.
in OP case, he is talking of the bug:
to recruit Iris, he needs to talk with Ayda to get a cheat potion, but if you have recruited her, there is no one to talk with and you cant pass Iris chalenge without the potion. So it becomes impossible to recruit her.
I think she goes back to Gorn after you recruit Melissa or kill her brother, so it should still be possible to recruit Iris after finishing main quest.
To fix it, dev may allow to talk to Ayda inside the mansion or let her assistant handle it in gorn.
If you side with the elves in the mountain caves, she is spared. The next time you visit her shop, you can offer her to come with you. You have to agree to her condition of no sex.
After some time passes (a week i think) you can visit her shop and talk to her bunny boy assistant. Follow his instruction to unlock sex with her.