What about i2p with out proxy + yt-dlp

You can consider using one of the invidious instances, or deploy one on your own that routes through proxies

Maybe if you're a high profile target you shouldn't be advertising that on a public forum

I like opentune as a music client, but I use it logged in, which isn't the best for privacy. In my situation, I'm fine with google tracking what music I hear as long as that's the only thing the client shares with google.

If you are actually targeted, your phone should not contain any apps that are not truely required.

But as you mentioned mental health, anxiety often makes people misjudge their digital risks and taking more extreme measures that make their devices less usable to protect against nonexistent threats. You could talk about that with someone you trust who understands your situation if you struggle with finding a balance between privacy and usability.