HK_Grocery_Price_Hunter_Companion

Archetype-owned forked engine for the Hong Kong Grocery Price Hunter Companion. Sweeps grocery prices across Hong Kong's 8 major retail chains (Wellcome, ParknShop, AEON, JASONS, YATA, 759 Store, Vanguard, Ugo) using dual-source public data — data.gov.hk Consumer Council Online Price Watch (OPW) for retail shelf prices and AFCD (Agriculture, Fisheries and Conservation Department) daily wholesale fresh food data for commodity-level leading-indicator signals. Reveals cross-chain price divergence, tracks wholesale-to-retail margin shifts on eggs and vegetables, and maps best-value options to MTR-accessible districts within walking radius of the steward's anchor nodes. Forked from the catalog engine A4F3483E-F36B-1410-8462-00039CE7DF11 (preserved verbatim: 7 must-rules, 8 numbered steps, 5 failure modes). Folds in household-profile awareness — location intelligence runs warm (district, MTR nodes, walking radius, cross-district thresholds loaded from C4A5503E at Step 2, not inferred cold),