I did in fact read the Wikipedia page, and also have an A-level in philosophy, which means I've written more about this in three homework esseys than the total length of the English Wikipedia article: https://en.wikipedia.org/wiki/Self-awareness
It's absolutely well defined it's just a complex topic. Most of the examples you gave in your last reply are never defined as self-awareness in an academic paper, e.g. qualia is always separate and the mirror test has always just been an indicator not the thing itself.
That makes it not well defined.
I did in fact read the Wikipedia page, and also have an A-level in philosophy, which means I've written more about this in three homework esseys than the total length of the English Wikipedia article: https://en.wikipedia.org/wiki/Self-awareness