Purchase Orders

POs, items, receipts (which trigger the materials cost cascade in L3), PDF generation, and PO status types.

Endpoints E111–E128. Each maps 1:1 to the L3 workflow with the same number — see the master endpoints table for the flat view.

Writes

• E111 POST /purchase-orders — Create purchase order → W111
• E114 PATCH /purchase-orders/:id — Update purchase order → W114
• E115 DELETE /purchase-orders/:id — Delete purchase order → W115
• E128 POST /purchase-orders/bulk-import — Bulk-import purchase orders → W128
• E117 POST /purchase-orders/:id/items — Add item to purchase order → W117
• E120 PATCH /purchase-order-items/:id — Update purchase order item → W120
• E121 DELETE /purchase-order-items/:id — Remove item from purchase order → W121
• E122 POST /purchase-orders/:id/receipts — Create receipt against purchase order → W122
• E125 PATCH /purchase-order-receipts/:id — Update receipt → W125
• E126 DELETE /purchase-order-receipts/:id — Delete receipt → W126

Reads

• E112 GET /purchase-orders — List purchase orders → W112
• E113 GET /purchase-orders/:id — Get purchase order detail → W113
• E119 GET /purchase-order-items — List items across purchase orders → W119
• E118 GET /purchase-orders/:id/items — List items for a purchase order → W118
• E123 GET /purchase-orders/:id/receipts — List receipts for a purchase order → W123
• E124 GET /purchase-order-receipts/:id — Get receipt detail → W124
• E116 GET /purchase-orders/:id/pdf — Generate PO PDF → W116
• E127 GET /purchase-order-status-types — List PO status types → W127