· 7 min read
A Pick List Is Not a Route
How a barcode scan became a warehouse route: order lookup, slot choice, shelf ergonomics, and the graph hidden under a pick list.
series/warehouse-route-optimization
Warehouse Route Optimization
The technical appendix to the warehouse optimizer case study: product workflow first, route benchmark second, data consistency third.
3 parts · complete
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2 · 9 min readWhy Jump Point Search Lost to a Lookup Table
The route optimizer benchmark track: JPS was a reasonable pathfinding choice, but precomputed Dijkstra tables, SlotId compression, and an exact ILP referee fit the warehouse better.
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3 · 7 min readThe Excel Round Trip That Kept Warehouse Data Safe
The data pipeline behind the warehouse system: spreadsheet exports, safe imports, gRPC streaming, typed validation errors, staging tables, and an atomic swap against the ERP database.