If you have Sanity's high contrast from lower sanity values while also affected by the overheat's blur/fog the screen goes black:

If you switch perspectives the issue goes away and the fog is applyed correctly on first person:

Video Example:
https://github.com/user-attachments/assets/25f4c23c-67bf-4ad4-9154-3e9b1e9e9044

I have now re-written Cold Sweat's shader system for 2.3.7, since this is nowhere near the first issue related to shader interaction between mods. I tested it myself and this issue does not appear to happen with the new system in place. Hope it works for you

Will this version come to 1.19.2 ?

Yes. I'm pretty busy at the moment but I'll port it to the other versions when I can