- Target: Mutation-CRAP at most 15 for Kotlin, code city red from 12 (score never below complexity; JaCoCo counts compiler-generated Kotlin branches). - Gate `maxMutationCrap = 650` as a ratchet (today max 647.55), lowered with every refactoring PR down to 15. - werkcrappit 0.15.0 -> 0.16.4 for `codeCharta.colorRedFrom`. - AGENTS.md: rule, ratchet, split along domain steps. PR-doc: `docs/prs/2026-10-04-PR#104-mutation-crap-limits.md` 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-authored-by: mhoennig <michael@hoennig.de> Reviewed-on: #104