Struggling with Family Issues and Seeking Advice

As-salamu alaykum, brothers and sisters. I've never been very close to my father since I was young. He was always busy with work, and when he came home, he often brought negativity with him. He would complain endlessly about different things. I know he works hard to provide for us, but lately, things have gotten worse. He's been treating my mother badly, to the point that she breaks down emotionally, and this has happened many times. When he mistreats me and my brother, I try to understand because of how he was raised-his own father was strict and distant. But it hurts deeply to see my mother struggle with basic needs. Recently, she asked him to lend some money to pay the maid's salary (a maid he insisted on because he thinks my mom can’t clean the house properly), and when she is tight financially, he refuses to help. He often blames her for being unemployed, even though she's tried many ways to earn money, but to him, if it's not a formal office job, it doesn't count as work. There are other hurtful things he does too, like being emotionally distant and blaming me for not talking to him, when really, he makes it hard to have a good conversation. Every time we talk, it turns unpleasant, so I just stay in my room to avoid conflict. I do want a good father-daughter relationship, but it feels impossible. I'm wondering if it would be better for my mom’s safety and for our family if she considers separating from him. I've tried talking to him about his behavior many times; he apologizes but then repeats the same actions. JazakAllahu khairan for any advice or supplications.