churn.csv now has a fixed header. When no file changed in the window,
no model is built and the report says so. docs/*.md, README.md and
RELEASING.md count as prose, and .codex/ as agent docs. The suite no
longer builds improvise itself, because checkers.sh scrubs the linker's
environment.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01VdfEGXA7aJ6ftMsCc9PJze