Looks promising and really interesting to see and it's a very good idea. But when I saw the test folder however, it is completely empty. [0]

So is any of this tested?

[0] https://github.com/sandys/kappal/tree/main/test

the test folder is for a large real project that i test on (and actually use in real life myself). it has a deliberate gitignore. plenty of tests in https://github.com/sandys/kappal/tree/main/testdata and https://github.com/sandys/kappal/tree/main/scripts