My personal color space nightmare...

That sounds smart.
I’m sure I haven’t fully understood everything, as I’m only just getting into colour management, but I understand that as something like the “Raw overexposed indication” but for the conversion into other color spaces, right?

And all additional blocking/clipping is then user-made by processing steps…

And that shows that I could do a better job even in sRGB space. Also with a monitor that is limited to srgb…