feat: updateing the loading and unloading

apps/edr-freight-web/backoffice/src/pages/settings/OperationsStandardsPage.tsx

@@ -24,6 +24,8 @@ type Field = {
   hint: string;
   unit: string;
   integer?: boolean;
+  /** May be left blank, which clears it. Only the handling standards are. */
+  optional?: boolean;
 };
 
 type Section = { title: string; description: string; fields: Field[] };
@@ -84,6 +86,27 @@ const SECTIONS: Section[] = [
       },
     ],
   },
+  {
+    title: "Loading and unloading",
+    description:
+      "What a stop's handling should take, for the rate on Loading & Unloading. The reporting spec names no figure here, so both start blank and the rate stays empty until one is set. Leave blank to clear.",
+    fields: [
+      {
+        name: "handlingStandardHoursContainer",
+        label: "Container trains",
+        hint: "Unloading start to loading finish",
+        unit: "hrs",
+        optional: true,
+      },
+      {
+        name: "handlingStandardHoursBulk",
+        label: "Bulk trains",
+        hint: "Loading or unloading at the station",
+        unit: "hrs",
+        optional: true,
+      },
+    ],
+  },
   {
     title: "Delay",
     description:
@@ -189,6 +212,8 @@ export default function OperationsStandardsPage() {
   const invalid = (field: Field): boolean => {
     const raw = draft[field.name];
     if (raw === undefined) return false;
+    // Blank on an optional field is a deliberate clear, not a bad number.
+    if (field.optional && raw.trim() === "") return false;
     const parsed = Number(raw);
     if (!Number.isFinite(parsed) || parsed <= 0) return true;
     return field.integer ? !Number.isInteger(parsed) : false;
@@ -200,7 +225,10 @@ export default function OperationsStandardsPage() {
   const handleSave = async () => {
     if (anyInvalid || !dirty) return;
     const patch = Object.fromEntries(
-      Object.entries(draft).map(([key, value]) => [key, Number(value)]),
+      Object.entries(draft).map(([key, value]) => [
+        key,
+        value.trim() === "" ? null : Number(value),
+      ]),
     );
     await update.mutateAsync(patch);
     setDraft({});

apps/edr-freight-web/backoffice/src/services/operationsStandards.service.ts

@@ -19,6 +19,9 @@ export interface OperationsStandards {
   cycleStandardHoursBulkBcc: number;
   defaultLegStandardHours: number;
   delayToleranceMinutes: number;
+  /** Null until a planner sets one — the spec names no handling standard. */
+  handlingStandardHoursContainer: number | null;
+  handlingStandardHoursBulk: number | null;
   chargedTonsFull20ft: number;
   chargedTonsFull40ft: number;
   chargedTonsEmpty20ft: number;