Release 467 Build 29

Order ↔ Production Release Readiness

Turn a real open-order finished-stock gap into one exact, lot-aware Production Release preview before an operator decides whether production is ready for explicit review.

Read-only boundary: Build 26 owns the open-order stock-gap evidence and the existing Product Production Release owner owns the material/lot preview. A clear preview is not permission to post production. No inventory is reserved or deducted, no order or shipment changes, and no customer/provider action occurs here.