Can confirm this, the issue here spawns due to not having Thani-Hazad as your primary title when clicking the reintegrate Tulwang decision. Basically makes the decision do nothing.
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![image](https://github.com/user-attachments/assets/4507e88a-45bd-42c2-af4c-d57b5d5aa86f)
Showing pictures isn't super relevant here since the bug is in the decision's effects and not the decision itself.