Just. Be. There.
You’re a parent, so you know how this is going to work. By the seat of your pants. Medical and Psychiatric needs are beyond your control. I know you say that it’s a need but it’s simply not one you can provide other than it coming from you directly. It’s just not something you can unilaterally do. You can try and get in contact with counselors at their school, but that’s about it. So focus on what you can do and that is be there. Harvard released a study about 8 years ago that had the statement that every successful child had ONE invested, stable adult person in their life. Not parent, aunt, uncle, brother, sister, grandparent. Person.
It sounds to me like you’re pretty dedicated to being that person. So I’d say the best thing you can do now is to just be you, and don’t stress about the things beyond your control. If you can continue to just be willing to invest this much effort you’ve shown already then you’ll be the best thing going for this child.
Yes, absolute game changer. Can’t live without it. Use various videos to go to sleep to at night and the last thing I need is for ads that the original content creator didn’t even ask for that are 5x as loud as the video I have playing.