Merge pull request #1230 from Tria-plc/freight_feature/usermanagement

feat(wagons): enforce wagon availability limits in transfer requests

apps/edr-freight-web/backoffice/src/components/wagons/WagonYardWorkspaceModal.tsx

@@ -44,9 +44,8 @@ const clampInt = (v: number | string, max: number): number => {
 
 /**
  * NumberInput + Slider + All/Half presets, kept in sync. `max` bounds the field
- * for actions that move real wagons; omit it for a transfer REQUEST, which may
- * legitimately ask for more than the yard holds today (OCC fulfils it in
- * instalments) — the slider then just tracks the current value.
+ * to the wagons on hand; omitting it leaves the field unbounded and the slider
+ * simply tracks the current value.
  */
 const QuantityField = ({
   value,
@@ -434,9 +433,14 @@ const WagonYardWorkspaceModal = ({ opened, onClose }: WagonYardWorkspaceModalPro
                           {availableCount} available
                         </Badge>
                       </Group>
-                      {/* No max: the request may exceed what the yard holds
-                          today — OCC fulfils it in instalments. */}
-                      <QuantityField value={transferQty} onChange={setTransferQty} />
+                      {/* Capped at the wagons actually available in this yard
+                          right now (uncoupled + Available) — a request may not
+                          ask for more than the yard can hand over. */}
+                      <QuantityField
+                        value={transferQty}
+                        onChange={setTransferQty}
+                        max={availableCount}
+                      />
                     </div>
                     <Select
                       label="Destination yard"