/constitution example?

[dlukt]

The readme has this:

/constitution Create principles focused on code quality, testing standards, user experience consistency, and performance requirements

But in an empty codebase that doesn't really work.

Also I wouldn't even know how to define those on my own first.
Like.
Cody Quality: Best of the best
Testing Standards: Write tests for every extension of the codebase, test on each iteration
UX consistency: ?
Performance requirements: Well how am I supposed to know that beforehand? K.I.S.S? Prefer short code over bloat?

I mean
How does codex for instance do it?