In Baldur's Gate 3, the teahouse quest is not completed because there is a bug. It is caused by the hag's invisibility. You can go to the innermost part of the cave and use a spell to blast out the hag, then defeat her, then put the woman down and have a conversation. Go to the hag's room to get the props. The wand of resurrection, finally talk to the woman and the choice is complete.
Answer: It is caused by the hag's invisibility .
1. The reason why the teahouse task is not completed is due to a bug, which is basically caused by the ghost's invisibility.
2. You can go to the innermost part of the cave, to the position shown in the picture, and use magic to blast out the hag.
3. Then you can hit her directly, and she won’t fight back because of the bug, but you can only choose to kill the hag.
4. Then rescue the woman in the cage and talk to her, then go to the hag's room to get the resurrection wand and hag staff.
5. Finally, talk to the woman and choose to complete the teahouse task.