— 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
Completely misses the prompt: no crowns (pure gold vs. gilded), no vertical immersion slider, no fall animation, no Heureka moment — it's a generic Archimedes buoyancy explorer with material/size selectors instead.
10,352 output tokens · claude-opus-4-6 · end_turn
Completely misses the prompt: no crowns (pure gold vs. gilded), no vertical immersion slider, no fall animation, no Heureka moment — it's a generic Archimedes buoyancy explorer with material/size selectors instead.