Hong Kong Consumer Food and Materials Price Hunter

Empowers AI agents to systematically sweep, unit-normalize, and location-optimize grocery prices across Hong Kong's major retail chains using data.gov.hk (Consumer Council Online Price Watch) and user-provided receipts, revealing 20-30%+ cross-chain price divergence on everyday items and mapping best-value options to MTR-accessible districts and specific store locations across Wellcome, ParknShop, AEON, JASONS, YATA, 759 Store, Vanguard, and Ugo.