Six no-skill control arms re-run through the same harness so all three arms share one model. README Numbers section and chart now cite the complete dataset: -47% tokens, 3x faster, 490 vs 3,629 LOC, extension 96 vs 1,115 lines, probes green everywhere. Em dashes removed. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>