Parastore is an open-source (MIT) retail simulation the place LLM-powered artificial customers stroll via a 3-d digital retailer, browse cabinets, and make acquire selections. Every client follows one among 12 behavioral patterns with grammar-constrained movements, randomized context (temper, funds, corporate), and impulse-buy good judgment caused by way of what they see alongside their direction. Validated towards actual POS information with 0.955 Spearman correlation. Python/FastAPI + React/3.js. Any LLM backend.
