— Two crowns — Same mass, different density — Vertical slider ✓ Slider works — Slider controls crowns — Slider direction correct — Full slider range ✓ Fall animation ✓ Water displacement — Rising water level — Splash effects ✓ Physics correct ✓ Live mass value ✓ Live volume value ✓ Live density value ✓ Live displaced water — Gilded displaces more — Heureka animation ✓ No external deps — Light bg / dark text ✓ Self-contained HTML
Entirely misses the prompt spec: no two crowns, no vertical slider controlling submersion, no Heureka animation, no rising water level — it's a generic single-object Archimedes sandbox with ASCII rendering and horizontal density/size sliders.
8,483 output tokens · claude-opus-4-6 · end_turn
Entirely misses the prompt spec: no two crowns, no vertical slider controlling submersion, no Heureka animation, no rising water level — it's a generic single-object Archimedes sandbox with ASCII rendering and horizontal density/size sliders.