Tetra, you're nearly a month sober again after an eight-month stretch and a slip. That takes real courage and determination. You are much, much stronger than you realise
Your dad clearly loves you and is worried about you. He can see that your mum's reaction isn't helpful but can't see or help his own. From what you say, your relationship seems to be becoming more and more claustrophobic and obsessive. A show of independence from you, such as taking steps to move away, would help you both.
I hope the job interview goes well tomorrow. Again, see how much determination you're showing by continuing to try? There is a real fighter inside of you