fix issue

apps/edr-freight-web/backoffice/src/components/contracts/gl-booking-form/total.ts

@@ -72,12 +72,19 @@ export function computeGlShipmentTotal(
           (i) => i.containerSize === line.containerSize && !i.isClearance,
         );
       if (rate) {
+        // A per-wagon rate bills the wagons this line occupies — two 20ft share
+        // one — not the box count. Mirrors the API's base-freight line so the
+        // quote matches the invoice.
+        const billedQty =
+          rate.unit === "per_wagon"
+            ? Math.ceil(qty * (line.containerSize === "40ft" ? 1 : 0.5))
+            : qty;
         lines.push({
           label: rate.label,
           unitPrice: rate.unitPrice,
           unit: rate.unit,
-          quantity: qty,
-          amount: rate.unitPrice * qty,
+          quantity: billedQty,
+          amount: rate.unitPrice * billedQty,
         });
       }
       hazardTotalQty += line.hazardousQuantity;

apps/edr-freight-web/backoffice/src/components/ruleEngine/RuleEngineFormDialog.tsx

@@ -391,6 +391,12 @@ const RuleEngineFormDialog = ({
         // display order) is a non-negative magnitude — reject negatives outright
         // rather than letting a typed "-" reach the API.
         min={isNumber ? 0 : undefined}
+        // Without an explicit step the browser assumes 1 and refuses to submit
+        // anything fractional — which blocked decimal rates, tonnages and
+        // distances. The API is the one that decides which of these are whole
+        // numbers (@IsInt on points/sizes/order, @IsNumber on money, tons, km),
+        // so let the field carry decimals and let a 400 catch the rest.
+        step={isNumber ? "any" : undefined}
         disabled={field.disabled || computed !== undefined}
         value={String((computed !== undefined ? computed : values[field.name]) ?? "")}
         onChange={(e) => {