— 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
Fully re-implements Archimedes as a generic buoyancy simulator with draggable sphere and density/volume/gravity sliders, but completely misses every prompt-specific requirement: no two crowns, no gilded-vs-gold comparison, no vertical crown-dipping slider, no Heureka moment, no splash effects, and uses a dark background.
10,182 output tokens · claude-opus-4-6 · end_turn
Fully re-implements Archimedes as a generic buoyancy simulator with draggable sphere and density/volume/gravity sliders, but completely misses every prompt-specific requirement: no two crowns, no gilded-vs-gold comparison, no vertical crown-dipping slider, no Heureka moment, no splash effects, and uses a dark background.