Full-scale reproduction: Ames Section-B case study (Defs 6-7, Figure 1), Prop 4 exact decision procedure, Def 8 on real CHI-2021 controlled study, Examples 1-2; supersedes toy baseline (judged 4/12 at 77dc8331), all prior files preserved 9418504 verified DineshAI commited on about 13 hours ago