| Customer profile | Customer ID, email, customer tier, contact preferences, risk-safe flags. |
| OMS | Order status, order date, promised ship date, promised delivery date, payment state, hold state, cancellation eligibility. |
| Order items | SKU, quantity, item value, item status, shipment mapping, replacement/refund eligibility. |
| WMS | Pick status, pack status, short-pick status, label state, handoff confirmation, warehouse queue. |
| Inventory | On-hand, reserved, inbound, allocation state, approved substitute availability. |
| Supplier | Purchase order, supplier ETA, allocation note, inbound receiving state, ETA confidence. |
| Carrier | Tracking number, carrier status, latest scan, exception reason, ETA, proof of delivery, investigation status. |
| Support history | Prior contacts, previous customer promises, internal notes, escalation status, open tickets. |