To put things simply, measurement involves thermodynamically irreversible interaction with the larger environment. No literal observer is relevant.

Literally every source suggests that the wave function collapses due to being observed.

This claim that every source suggests that the wave function collapses due to being observed by a conscious being, and only by observation by a conscious being (which is presumably what you meant given the original context) is blatantly false. Give me a single reputable source that makes such a claim of consciousness causing collapse as anything other than a statement of (minority) interpretation.

Unless you’re a Nobel-winning physicist, it’s unclear how you are an authority whose opinion matters.

This is insulting. You are ludicrously claiming that expert opinion agrees unanimously that consciousness causes collapse (despite it actually being seen as a minority view by the community), yet have the audacity to say that my opinion on the matter is useless, despite the fact that I am a senior physics/mathematics double major at a major university with a respected physics program (and which includes multiple Nobel laureates in physics, since you mentioned it). I have already taken both undergraduate quantum mechanics courses as a junior; moreover, I currently only have one more physics course (along with several more math courses and one more general education requirement) required to graduate.

Obviously, this does not make me an expert on the topic in any sense whatsoever, but I think you are in no position to suggest my opinion is useless.

But I do like the implication that I get to determine what’s “real” because the quantum universe doesn’t collapse into a single state until my consciousness interacts with it.

To get right to the point, the idea of consciousness causing collapse is a minority interpretation of quantum mechanics (one that was originally conceived more as a hypothetical alternative interpretation without full seriousness being given to it in its own right) that has been given undue credit in the public eye by the dishonest purveyors of quantum mysticism (like Deepak Chopra) who confidently attribute supernatural attributes to quantum theory with neither any explanation nor even the simplest indication of understanding of even the simplest of an introduction to the topic, let alone any authority on the topic. The part of your comment, "I get to determine what’s 'real'", seems to indicate your familiarity with quantum mysticism beyond just the idea of consciousness causing collapse.

NO, there is absolutely no evidence of any fundamental role of consciousness in quantum mechanics, but you may have been mislead into believing there is. If you have any such credible experimental evidence of consciousness causing collapse, you would be the first to provide such.

If you have any source with credible evidence of consciousness causing collapse, I would like to see it.

Even if it were a matter of opinion among experts, the position that consciousness causes collapse is hardly a common one, despite your attempt at claiming the contrary.