Becouse i want coding in C modules for speed. And in micropython for fast coding. So combine 2 good from C and micropython. So i want not download uf2 but i want source code.
It looks like the GitHub actions are building successfully without any of the errors you list, which would tend to suggest that your dev environment isn’t quite set up right, rather than anything being “corrupted !!!”
Selectively copying some files is unlikely to work; I’d work through the GitHub build action to see exactly what you need to pull in, and build off that repo rather than trying to hot-patch it into the standard micropython build.