— 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's core requirements (two crowns, vertical immersion slider, Heureka moment) — implements a generic single-object buoyancy sandbox with material buttons and horizontal sliders instead.
12,157 output tokens · claude-opus-4-6 · end_turn
Entirely misses the prompt's core requirements (two crowns, vertical immersion slider, Heureka moment) — implements a generic single-object buoyancy sandbox with material buttons and horizontal sliders instead.