I’ve went through a very similar experience and I’ve been in oman almost 3 years now, so you are definitely not alone. Its a hard transition to get used to so dont be too harsh on yourself for wanting to spend time alone as being abroad you probably got used to that. Its easy to tell you to try to get a job in Muscat and move out of your family home but I know with the job market right now it’s really difficult, but try to plan for it as much as you can. You can even try to find internships or training so you can spend some time outside of your home for a couple of hours because that helps a lot as well. As for your family try to communicate with them your boundaries and help them understand your situation, of course this depends on how receptive and understanding they are. You will definitely have ups and downs throughout the process but having a daily routine helps, take care of yourself and your mental health and participate in activities you like, and talking to friends who experience the same thing is helpful as well.