Phase 4 — Inventory, Warehouse & Procurement#

Duration: ~8–10 weeks. Depends on: Sales (order fulfillment path), Suppliers (partial).

Modules#

Part Master & AML Control
Material Planning (MRP / PO)
Warehouse Management System (WMS)
Inventory
Receiving
Inspection
Reject Action
Issue / Issue Adjustment
Lot & Serial Tracking
Reservation Details
Warehouse Map
Cost Adjustment Tool

Tasks#

Inventory API — items, quantities, locations.
Warehouse API — bins, maps, reservations.
Procurement API — MRP results, POs.
Port MRP planner logic into the backend.
Cost Adjustment Tool becomes an API-driven screen.

Enhancements#

Users can modify Lot code details on existing lot-coded parts.
Lot code expiration date accepts fiscal years beyond 2030.
Packing List and Shipment History reports improved.
MRP / PO Reports: MRP PO Action Report — Detailed By Supplier; Open Purchase Order Detail — By Supplier no longer shows shortages for closed WOs.

Exit criteria#

Inventory / Warehouse / Procurement APIs green with regression pack against legacy.
MRP output identical to legacy for the same input dataset.
Lot / serial traceability preserved through the sync layer.