⚖️ Contract Formation and Bargaining: 2D Plan View

Top-down 2D model of contract formation: buyer and seller concede toward their reservation prices round by round inside the zone of agreement, with Rubinstein and Nash benchmarks, a six-point validity checklist (offer, acceptance, consideration, capacity, legality, consent) and an efficient-breach test. Drag the cost, value and outside-offer handles.

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install