Task 60596354735

ci, iwyu: Fix warnings in `src/kernel` and treat them as errors

2026-01-16 14:27:17 aborted 251104-force-iwyu-kernel a5a8c4139c811e697b3c0b4d87737e04b60c53c8

Tags

test max 6 ancestor commits

251104-force-iwyu-kernel