test(pleno-vue): queue two API responses for second ordering test too

OrderContentTable fires loadOrderItems twice on initial mount: once via
the immediate watch on props.orderId and once via the explicit
top-level call. Queue both responses to keep the test deterministic.

src/components/displays/superuser/tables/OrderContentTable.vue

@@ -1,8 +1,4 @@
 <script setup>
-
-
-
-
 import { computed, ref, watch } from "vue";
 import { SessionUser } from "@/components/session/token/SessionUser.vue";
 import InvoicingPeriodFlagList from "@/views/dashboards/superUserDashboard/InvoicingBillingPeriod/components/InvoicingPeriodFlagList.vue";
@@ -40,75 +36,97 @@ const props = defineProps({
     type: Array,
     default: () => [],
   },
-})
+});
 const emit = defineEmits(["flagStatusChanged"]);
 
-
-
 const orderItems = ref([]);
 
+// Stable ordering for the order items table: primary items (related_item_id === 0
+// / null) first, then addons grouped by their parent, in insertion order. The
+// backend now also orders the SELECT, but we sort defensively here so a stale
+// cache or older API proxy cannot regress the render order.
+const sortOrderItemsForDisplay = (items) => {
+  if (!Array.isArray(items)) {
+    return [];
+  }
+  return items.slice().sort((left, right) => {
+    const leftRelatedId = Number(left?.related_item_id ?? 0);
+    const rightRelatedId = Number(right?.related_item_id ?? 0);
+    // Primary items (related_item_id 0 / null) come first.
+    if ((leftRelatedId === 0) !== (rightRelatedId === 0)) {
+      return leftRelatedId === 0 ? -1 : 1;
+    }
+    // Within addons, group by parent.
+    if (leftRelatedId !== rightRelatedId) {
+      return leftRelatedId - rightRelatedId;
+    }
+    // Fall back to insertion order.
+    return Number(left?.id ?? 0) - Number(right?.id ?? 0);
+  });
+};
+
 const loadOrderItems = async () => {
   if (props.useLocalOrderItems) {
-    orderItems.value = props.localOrderItems;
+    orderItems.value = sortOrderItemsForDisplay(props.localOrderItems);
     return;
   }
-  await SessionUser.request(
+  await SessionUser.request("/order/items", "GET", {
-      '/order/items',
+    order_id: props.orderId,
-      'GET',
+  })
-      {
+    .then((response) => {
-        order_id: props.orderId,
+      orderItems.value = sortOrderItemsForDisplay(response.data.data);
-      }
+    })
-  ).then((response) => {
+    .catch((error) => {
-    orderItems.value = response.data.data;
+      console.error(error);
-  }).catch((error) => {
+    });
-    console.error(error);
+};
-  });
-}
 
 const isOrderItemAddon = (item) => {
   return item.related_item_id !== 0;
-}
+};
 
 const getItemAddons = (item) => {
   return orderItems.value.filter((order_item) => {
     return order_item.related_item_id === item.id;
   });
-}
+};
 
 const _ucFirst = (str) => {
   return str.charAt(0).toUpperCase() + str.slice(1);
-}
+};
 
-const sortInvoicePeriodFlags = (flags = []) => [...flags].sort((left, right) => {
+const sortInvoicePeriodFlags = (flags = []) =>
-  const sourceOrder = { manual: 0, automatic: 1 };
+  [...flags].sort((left, right) => {
-  const leftSource = sourceOrder[left?.source] ?? 99;
+    const sourceOrder = { manual: 0, automatic: 1 };
-  const rightSource = sourceOrder[right?.source] ?? 99;
+    const leftSource = sourceOrder[left?.source] ?? 99;
-  if (leftSource !== rightSource) {
+    const rightSource = sourceOrder[right?.source] ?? 99;
-    return leftSource - rightSource;
+    if (leftSource !== rightSource) {
-  }
+      return leftSource - rightSource;
+    }
 
-  return String(left?.created_at || left?.fingerprint || "").localeCompare(
+    return String(left?.created_at || left?.fingerprint || "").localeCompare(
-    String(right?.created_at || right?.fingerprint || "")
+      String(right?.created_at || right?.fingerprint || "")
+    );
+  });
+
+const getOrderItemFlags = (orderItem) =>
+  sortInvoicePeriodFlags(
+    (props.invoicePeriodFlags || []).filter((flag) => {
+      if (String(flag?.status || "active") !== "active") {
+        return false;
+      }
+
+      const targetType = String(flag?.target_type || "");
+      if (!["order_item", "order_item_field"].includes(targetType)) {
+        return false;
+      }
+
+      const flagOrderItemId = Number(flag?.order_item_id || flag?.target_id || flag?.context?.order_item_id || 0);
+      return flagOrderItemId > 0 && flagOrderItemId === Number(orderItem?.id || 0);
+    })
   );
-});
 
-const getOrderItemFlags = (orderItem) => sortInvoicePeriodFlags((props.invoicePeriodFlags || []).filter((flag) => {
+const getOrderItemFlagIconClass = (orderItem) => (getOrderItemFlags(orderItem).length > 0 ? "fas fa-flag" : "");
-  if (String(flag?.status || "active") !== "active") {
-    return false;
-  }
-
-  const targetType = String(flag?.target_type || "");
-  if (!["order_item", "order_item_field"].includes(targetType)) {
-    return false;
-  }
-
-  const flagOrderItemId = Number(flag?.order_item_id || flag?.target_id || flag?.context?.order_item_id || 0);
-  return flagOrderItemId > 0 && flagOrderItemId === Number(orderItem?.id || 0);
-}));
-
-const getOrderItemFlagIconClass = (orderItem) => (
-  getOrderItemFlags(orderItem).length > 0 ? "fas fa-flag" : ""
-);
 
 const getOrderItemFlagColorClass = (orderItem) => {
   const flags = getOrderItemFlags(orderItem);
@@ -119,19 +137,23 @@ const getOrderItemFlagColorClass = (orderItem) => {
   return flags.some((flag) => flag?.source === "manual") ? "has-text-danger" : "has-text-warning";
 };
 
-const displayColumnCount = computed(() => (
+const displayColumnCount = computed(
-  2 + (props.displayNotes ? 1 : 0) + (props.displayReference ? 1 : 0) + (props.displayPrice ? 1 : 0)
+  () => 2 + (props.displayNotes ? 1 : 0) + (props.displayReference ? 1 : 0) + (props.displayPrice ? 1 : 0)
-));
+);
 
 const emitFlagStatusChanged = (flag) => emit("flagStatusChanged", flag);
 
 loadOrderItems();
 
-watch(() => props.orderId, (newValue, oldValue) => {
+watch(
-  if (newValue !== oldValue) {
+  () => props.orderId,
-    loadOrderItems();
+  (newValue, oldValue) => {
-  }
+    if (newValue !== oldValue) {
-}, { immediate: true });
+      loadOrderItems();
+    }
+  },
+  { immediate: true }
+);
 </script>
 
 <template>
@@ -139,125 +161,128 @@ watch(() => props.orderId, (newValue, oldValue) => {
     <table class="table is-fullwidth" v-if="!props.summaryMode">
       <thead>
         <tr>
-          <th>{{ $t('tables.products.name') }}</th>
+          <th>{{ $t("tables.products.name") }}</th>
-          <th v-if="props.displayNotes">{{ $t('objects.columns.notes') }}</th>
+          <th v-if="props.displayNotes">{{ $t("objects.columns.notes") }}</th>
-          <th v-if="props.displayReference">{{ $t('common.reference') }}</th>
+          <th v-if="props.displayReference">{{ $t("common.reference") }}</th>
-          <th>{{ $t('common.quantity') }}</th>
+          <th>{{ $t("common.quantity") }}</th>
-          <th v-if="props.displayPrice">{{ $t('tables.products.price') }}</th>
+          <th v-if="props.displayPrice">{{ $t("tables.products.price") }}</th>
         </tr>
       </thead>
       <tbody>
-      <template v-for="item in orderItems" :key="item.id">
+        <template v-for="item in orderItems" :key="item.id">
-        <!-- If the item is a primary item, show it -->
+          <!-- If the item is a primary item, show it -->
-        <template v-if="!isOrderItemAddon(item)">
+          <template v-if="!isOrderItemAddon(item)">
-          <!-- If the item is included in the invoice, show it normally -->
+            <!-- If the item is included in the invoice, show it normally -->
-          <tr v-if="item.include_in_invoice">
+            <tr v-if="item.include_in_invoice">
-            <td>
+              <td>
-              <span
+                <span
-                v-if="getOrderItemFlags(item).length > 0"
+                  v-if="getOrderItemFlags(item).length > 0"
-                class="icon is-small mr-1 invoice-period-item-flag-indicator"
+                  class="icon is-small mr-1 invoice-period-item-flag-indicator"
-                :class="getOrderItemFlagColorClass(item)"
+                  :class="getOrderItemFlagColorClass(item)"
-                :data-testid="`order-content-item-flag-indicator-${item.id}`"
+                  :data-testid="`order-content-item-flag-indicator-${item.id}`"
-              >
+                >
-                <i :class="getOrderItemFlagIconClass(item)"></i>
+                  <i :class="getOrderItemFlagIconClass(item)"></i>
-              </span>
+                </span>
-              {{ item.product.name }}
+                {{ item.product.name }}
-            </td>
+              </td>
-            <td v-if="props.displayReference">{{ item.reference }}</td>
+              <td v-if="props.displayReference">{{ item.reference }}</td>
-            <td v-if="props.displayNotes">{{ item.notes }}</td>
+              <td v-if="props.displayNotes">{{ item.notes }}</td>
-            <td>{{ item.quantity }}</td>
+              <td>{{ item.quantity }}</td>
-            <td v-if="props.displayPrice">{{ SessionUser.functions.currency.toLocal(item.price) }}</td>
+              <td v-if="props.displayPrice">{{ SessionUser.functions.currency.toLocal(item.price) }}</td>
-          </tr>
+            </tr>
-          <!-- If the item is not included in the invoice, show it with a strikethrough -->
+            <!-- If the item is not included in the invoice, show it with a strikethrough -->
-          <tr v-else  class="has-background-warning-light">
+            <tr v-else class="has-background-warning-light">
-            <td>
+              <td>
-              <span
+                <span
-                v-if="getOrderItemFlags(item).length > 0"
+                  v-if="getOrderItemFlags(item).length > 0"
-                class="icon is-small mr-1 invoice-period-item-flag-indicator"
+                  class="icon is-small mr-1 invoice-period-item-flag-indicator"
-                :class="getOrderItemFlagColorClass(item)"
+                  :class="getOrderItemFlagColorClass(item)"
-                :data-testid="`order-content-item-flag-indicator-${item.id}`"
+                  :data-testid="`order-content-item-flag-indicator-${item.id}`"
-              >
+                >
-                <i :class="getOrderItemFlagIconClass(item)"></i>
+                  <i :class="getOrderItemFlagIconClass(item)"></i>
-              </span>
+                </span>
-              <span style="text-decoration: line-through;">{{ item.product.name }}</span> ( {{SessionUser.objects.vehicles.columns.wash_subscription.label }} )
+                <span style="text-decoration: line-through">{{ item.product.name }}</span> (
-            </td>
+                {{ SessionUser.objects.vehicles.columns.wash_subscription.label }} )
-            <td v-if="props.displayReference">{{ item.reference }}</td>
+              </td>
-            <td v-if="props.displayNotes">{{ item.notes }}</td>
+              <td v-if="props.displayReference">{{ item.reference }}</td>
-            <td>{{ item.quantity }}</td>
+              <td v-if="props.displayNotes">{{ item.notes }}</td>
-            <td v-if="props.displayPrice" style="text-decoration: line-through;">{{ SessionUser.functions.currency.toLocal(item.price) }}</td>
+              <td>{{ item.quantity }}</td>
-          </tr>
+              <td v-if="props.displayPrice" style="text-decoration: line-through">
-          <tr
+                {{ SessionUser.functions.currency.toLocal(item.price) }}
-            v-if="getOrderItemFlags(item).length > 0"
+              </td>
-            :data-testid="`order-content-item-flags-${item.id}`"
+            </tr>
-          >
+            <tr v-if="getOrderItemFlags(item).length > 0" :data-testid="`order-content-item-flags-${item.id}`">
-            <td :colspan="displayColumnCount">
+              <td :colspan="displayColumnCount">
-              <InvoicingPeriodFlagList
+                <InvoicingPeriodFlagList
-                compact
+                  compact
-                :flags="getOrderItemFlags(item)"
+                  :flags="getOrderItemFlags(item)"
-                @statusChanged="emitFlagStatusChanged"
+                  @statusChanged="emitFlagStatusChanged"
-              />
+                />
-            </td>
+              </td>
-          </tr>
+            </tr>
+          </template>
+          <!-- Show the add-on items -->
+          <template v-for="addon_item in getItemAddons(item)" :key="addon_item.id">
+            <!-- If the add-on item is included in the invoice, show it normally -->
+            <tr v-if="addon_item.include_in_invoice">
+              <td>
+                <span
+                  v-if="getOrderItemFlags(addon_item).length > 0"
+                  class="icon is-small mr-1 invoice-period-item-flag-indicator"
+                  :class="getOrderItemFlagColorClass(addon_item)"
+                  :data-testid="`order-content-item-flag-indicator-${addon_item.id}`"
+                >
+                  <i :class="getOrderItemFlagIconClass(addon_item)"></i>
+                </span>
+                + {{ addon_item.product.name }}
+              </td>
+              <td v-if="props.displayReference">{{ addon_item.reference }}</td>
+              <td v-if="props.displayNotes">{{ addon_item.notes }}</td>
+              <td>{{ addon_item.quantity }}</td>
+              <td v-if="props.displayPrice">{{ SessionUser.functions.currency.toLocal(addon_item.price) }}</td>
+            </tr>
+            <!-- If the add-on item is not included in the invoice, show it with a strikethrough -->
+            <tr v-else class="has-background-warning">
+              <td>
+                <span
+                  v-if="getOrderItemFlags(addon_item).length > 0"
+                  class="icon is-small mr-1 invoice-period-item-flag-indicator"
+                  :class="getOrderItemFlagColorClass(addon_item)"
+                  :data-testid="`order-content-item-flag-indicator-${addon_item.id}`"
+                >
+                  <i :class="getOrderItemFlagIconClass(addon_item)"></i>
+                </span>
+                + <span style="text-decoration: line-through">{{ addon_item.product.name }}</span> (
+                {{ SessionUser.objects.vehicles.columns.wash_subscription.label }} )
+              </td>
+              <td v-if="props.displayReference">{{ addon_item.reference }}</td>
+              <td v-if="props.displayNotes">{{ addon_item.notes }}</td>
+              <td>{{ addon_item.quantity }}</td>
+              <td v-if="props.displayPrice" style="text-decoration: line-through">
+                {{ SessionUser.functions.currency.toLocal(addon_item.price) }}
+              </td>
+            </tr>
+            <tr
+              v-if="getOrderItemFlags(addon_item).length > 0"
+              :data-testid="`order-content-item-flags-${addon_item.id}`"
+            >
+              <td :colspan="displayColumnCount">
+                <InvoicingPeriodFlagList
+                  compact
+                  :flags="getOrderItemFlags(addon_item)"
+                  @statusChanged="emitFlagStatusChanged"
+                />
+              </td>
+            </tr>
+          </template>
         </template>
-        <!-- Show the add-on items -->
-        <template v-for="addon_item in getItemAddons(item)" :key="addon_item.id">
-          <!-- If the add-on item is included in the invoice, show it normally -->
-          <tr v-if="addon_item.include_in_invoice">
-            <td>
-              <span
-                v-if="getOrderItemFlags(addon_item).length > 0"
-                class="icon is-small mr-1 invoice-period-item-flag-indicator"
-                :class="getOrderItemFlagColorClass(addon_item)"
-                :data-testid="`order-content-item-flag-indicator-${addon_item.id}`"
-              >
-                <i :class="getOrderItemFlagIconClass(addon_item)"></i>
-              </span>
-              + {{ addon_item.product.name }}
-            </td>
-            <td v-if="props.displayReference">{{ addon_item.reference }}</td>
-            <td v-if="props.displayNotes">{{ addon_item.notes }}</td>
-            <td>{{ addon_item.quantity }}</td>
-            <td v-if="props.displayPrice">{{ SessionUser.functions.currency.toLocal(addon_item.price) }}</td>
-          </tr>
-          <!-- If the add-on item is not included in the invoice, show it with a strikethrough -->
-          <tr v-else class="has-background-warning">
-            <td>
-              <span
-                v-if="getOrderItemFlags(addon_item).length > 0"
-                class="icon is-small mr-1 invoice-period-item-flag-indicator"
-                :class="getOrderItemFlagColorClass(addon_item)"
-                :data-testid="`order-content-item-flag-indicator-${addon_item.id}`"
-              >
-                <i :class="getOrderItemFlagIconClass(addon_item)"></i>
-              </span>
-              + <span style="text-decoration: line-through;">{{ addon_item.product.name }}</span> ( {{SessionUser.objects.vehicles.columns.wash_subscription.label }} )
-            </td>
-            <td v-if="props.displayReference">{{ addon_item.reference }}</td>
-            <td v-if="props.displayNotes">{{ addon_item.notes }}</td>
-            <td>{{ addon_item.quantity }}</td>
-            <td v-if="props.displayPrice" style="text-decoration: line-through;">{{ SessionUser.functions.currency.toLocal(addon_item.price) }}</td>
-          </tr>
-          <tr
-            v-if="getOrderItemFlags(addon_item).length > 0"
-            :data-testid="`order-content-item-flags-${addon_item.id}`"
-          >
-            <td :colspan="displayColumnCount">
-              <InvoicingPeriodFlagList
-                compact
-                :flags="getOrderItemFlags(addon_item)"
-                @statusChanged="emitFlagStatusChanged"
-              />
-            </td>
-          </tr>
-        </template>
-      </template>
       </tbody>
     </table>
     <!-- Summary Mode -->
     <div v-else>
       <!-- Loader -->
       <template v-if="orderItems.length === 0">
-        <span class="is-flex is-justify-content-center is-align-items-center" style="height: 100px;">
+        <span class="is-flex is-justify-content-center is-align-items-center" style="height: 100px">
           <span class="loader is-loading is-align-self-center"></span>
         </span>
       </template>
@@ -278,11 +303,7 @@ watch(() => props.orderId, (newValue, oldValue) => {
               <strong>{{ item.product.name }}</strong> x {{ item.quantity }}
               <span v-if="props.displayPrice"> - {{ SessionUser.functions.currency.toLocal(item.price) }}</span>
             </div>
-            <InvoicingPeriodFlagList
+            <InvoicingPeriodFlagList compact :flags="getOrderItemFlags(item)" @statusChanged="emitFlagStatusChanged" />
-              compact
-              :flags="getOrderItemFlags(item)"
-              @statusChanged="emitFlagStatusChanged"
-            />
             <!-- Show the add-on items -->
             <div v-for="addon_item in getItemAddons(item)" :key="addon_item.id" class="ml-4">
               <small>
@@ -294,7 +315,7 @@ watch(() => props.orderId, (newValue, oldValue) => {
                 >
                   <i :class="getOrderItemFlagIconClass(addon_item)"></i>
                 </span>
-                  + {{ addon_item.product.name }} x {{ addon_item.quantity }}
+                + {{ addon_item.product.name }} x {{ addon_item.quantity }}
                 <span v-if="props.displayPrice"> - {{ SessionUser.functions.currency.toLocal(addon_item.price) }}</span>
               </small>
               <InvoicingPeriodFlagList

tests/unit/order-content-table-addon-ordering.spec.js

@@ -0,0 +1,274 @@
+// @vitest-environment jsdom
+import { flushPromises, mount } from "@vue/test-utils";
+import { beforeEach, describe, expect, it, vi } from "vitest";
+import OrderContentTable from "@/components/displays/superuser/tables/OrderContentTable.vue";
+import { createTestI18n } from "./helpers/mountWithApp.js";
+
+// Track mock state in a hoisted holder so the vi.mock factory below can stay
+// free of top-level variables (vitest hoists vi.mock above imports, so the
+// factory must not reference any binding that has not been hoisted).
+const requestHolder = vi.hoisted(() => ({
+  responses: [],
+  calls: 0,
+}));
+
+const showPopperMock = vi.hoisted(() => vi.fn());
+const removePopperIfOpenMock = vi.hoisted(() => vi.fn());
+const popperBoxMock = vi.hoisted(() => vi.fn((title, body) => ({ title, body })));
+const swalFireMock = vi.hoisted(() => vi.fn(() => Promise.resolve({ isConfirmed: false })));
+
+vi.mock("sweetalert2", () => ({
+  default: {
+    fire: swalFireMock,
+  },
+}));
+
+vi.mock("@/components/displays/PopperDefault.vue", () => ({
+  showPopper: showPopperMock,
+  removePopperIfOpen: removePopperIfOpenMock,
+  popperBox: popperBoxMock,
+}));
+
+vi.mock("@/components/session/token/SessionUser.vue", () => ({
+  SessionUser: {
+    request: () => {
+      requestHolder.calls += 1;
+      const next = requestHolder.responses.shift();
+      return Promise.resolve(next ?? { data: { data: [] } });
+    },
+    functions: {
+      currency: {
+        toLocal: (value) => String(value ?? ""),
+      },
+      redirectTo: {
+        department: vi.fn(),
+      },
+    },
+    objects: {
+      vehicles: {
+        columns: {
+          wash_subscription: {
+            label: "Wash subscription",
+          },
+        },
+      },
+    },
+  },
+}));
+
+const i18n = createTestI18n({
+  en: {
+    global: {
+      cancel: "Cancel",
+      no_data: "No data",
+      quantity: "Quantity",
+    },
+    tables: {
+      products: {
+        name: "Product",
+        price: "Price",
+      },
+    },
+    objects: {
+      columns: {
+        notes: "Notes",
+        reference: "Reference",
+      },
+    },
+    invoice_period: {
+      flags: {
+        status: {
+          resolved: "Resolved",
+          ignored: "Ignored",
+          false_positive: "False positive",
+          reason_placeholder: "Optional reason",
+        },
+      },
+    },
+  },
+});
+
+const buildWrapper = (props = {}) =>
+  mount(OrderContentTable, {
+    props: {
+      orderId: 42,
+      ...props,
+    },
+    global: {
+      plugins: [i18n],
+    },
+  });
+
+describe("OrderContentTable addon ordering", () => {
+  beforeEach(() => {
+    requestHolder.responses = [];
+    requestHolder.calls = 0;
+    showPopperMock.mockReset();
+    removePopperIfOpenMock.mockReset();
+    popperBoxMock.mockReset();
+    swalFireMock.mockReset();
+  });
+
+  it("renders primary items before their addons even when the API returns them out of order", async () => {
+    // Simulate the legacy MySQL response: addons appear before the primary
+    // item they belong to. After the fix, the component must render the
+    // primary first.
+    const apiResponse = [
+      {
+        id: 102,
+        order_id: 42,
+        product_id: 9,
+        related_item_id: 101,
+        price: 50,
+        quantity: 1,
+        include_in_invoice: true,
+        notes: "",
+        reference: "",
+        product: { id: 9, name: "Addon A" },
+      },
+      {
+        id: 103,
+        order_id: 42,
+        product_id: 10,
+        related_item_id: 101,
+        price: 30,
+        quantity: 1,
+        include_in_invoice: true,
+        notes: "",
+        reference: "",
+        product: { id: 10, name: "Addon B" },
+      },
+      {
+        id: 101,
+        order_id: 42,
+        product_id: 1,
+        related_item_id: 0,
+        price: 200,
+        quantity: 1,
+        include_in_invoice: true,
+        notes: "",
+        reference: "",
+        product: { id: 1, name: "Primary wash" },
+      },
+    ];
+    requestHolder.responses.push({ data: { data: apiResponse } });
+    requestHolder.responses.push({ data: { data: apiResponse } });
+
+    const wrapper = buildWrapper();
+    await flushPromises();
+
+    const renderedRows = wrapper.findAll("tbody tr");
+    const productNames = renderedRows.map((row) => String(row.text() || "").trim());
+
+    const primaryIndex = productNames.findIndex((text) => text.includes("Primary wash"));
+    const addonAIndex = productNames.findIndex((text) => text.includes("Addon A"));
+    const addonBIndex = productNames.findIndex((text) => text.includes("Addon B"));
+
+    expect(primaryIndex).toBeGreaterThanOrEqual(0);
+    expect(addonAIndex).toBeGreaterThanOrEqual(0);
+    expect(addonBIndex).toBeGreaterThanOrEqual(0);
+    expect(primaryIndex).toBeLessThan(addonAIndex);
+    expect(primaryIndex).toBeLessThan(addonBIndex);
+  });
+
+  it("preserves insertion order for addons that share the same parent", async () => {
+    const apiResponse = [
+      {
+        id: 101,
+        order_id: 42,
+        product_id: 1,
+        related_item_id: 0,
+        price: 200,
+        quantity: 1,
+        include_in_invoice: true,
+        notes: "",
+        reference: "",
+        product: { id: 1, name: "Primary wash" },
+      },
+      {
+        id: 103,
+        order_id: 42,
+        product_id: 10,
+        related_item_id: 101,
+        price: 30,
+        quantity: 1,
+        include_in_invoice: true,
+        notes: "",
+        reference: "",
+        product: { id: 10, name: "Addon B" },
+      },
+      {
+        id: 102,
+        order_id: 42,
+        product_id: 9,
+        related_item_id: 101,
+        price: 50,
+        quantity: 1,
+        include_in_invoice: true,
+        notes: "",
+        reference: "",
+        product: { id: 9, name: "Addon A" },
+      },
+    ];
+    // OrderContentTable mounts twice on initial render (immediate watcher plus
+    // a top-level call); queue two identical responses.
+    requestHolder.responses.push({ data: { data: apiResponse } });
+    requestHolder.responses.push({ data: { data: apiResponse } });
+
+    const wrapper = buildWrapper();
+    await flushPromises();
+
+    const renderedRows = wrapper.findAll("tbody tr");
+    const productNames = renderedRows.map((row) => String(row.text() || "").trim());
+
+    const addonAIndex = productNames.findIndex((text) => text.includes("Addon A"));
+    const addonBIndex = productNames.findIndex((text) => text.includes("Addon B"));
+
+    expect(addonAIndex).toBeLessThan(addonBIndex);
+  });
+
+  it("sorts localOrderItems defensively when useLocalOrderItems is true", async () => {
+    const localItems = [
+      {
+        id: 201,
+        order_id: 7,
+        product_id: 9,
+        related_item_id: 200,
+        price: 50,
+        quantity: 1,
+        include_in_invoice: true,
+        notes: "",
+        reference: "",
+        product: { id: 9, name: "Local addon" },
+      },
+      {
+        id: 200,
+        order_id: 7,
+        product_id: 1,
+        related_item_id: 0,
+        price: 200,
+        quantity: 1,
+        include_in_invoice: true,
+        notes: "",
+        reference: "",
+        product: { id: 1, name: "Local primary" },
+      },
+    ];
+
+    const wrapper = buildWrapper({
+      orderId: 7,
+      useLocalOrderItems: true,
+      localOrderItems: localItems,
+    });
+    await flushPromises();
+
+    const renderedRows = wrapper.findAll("tbody tr");
+    const productNames = renderedRows.map((row) => String(row.text() || "").trim());
+
+    const primaryIndex = productNames.findIndex((text) => text.includes("Local primary"));
+    const addonIndex = productNames.findIndex((text) => text.includes("Local addon"));
+
+    expect(primaryIndex).toBeLessThan(addonIndex);
+    expect(requestHolder.calls).toBe(0);
+  });
+});