fix: prevent rebuying map completed items

frontend/src/components/maps/LocationMapBottomSheetSections.jsx

@@ -139,15 +139,18 @@ export function SelectedZoneItemsPanel({
     <div className="location-map-zone-items">
       <ul>
         {selectedZoneItems.map((item) => (
-          <li key={item.id}>
+          <li key={item.id} className={item.bought ? "is-bought" : ""}>
             <button
               type="button"
               className="location-map-zone-item-button"
-              onClick={() => onSelectZoneItem?.(item)}
-              aria-label={`Mark ${item.item_name} bought`}
+              onClick={() => {
+                if (!item.bought) onSelectZoneItem?.(item);
+              }}
+              disabled={Boolean(item.bought)}
+              aria-label={item.bought ? `${item.item_name} bought` : `Mark ${item.item_name} bought`}
             >
               <span>{item.item_name}</span>
-              <small>x{item.quantity}</small>
+              <small>{item.bought ? "Bought" : `x${item.quantity}`}</small>
             </button>
           </li>
         ))}

frontend/src/styles/pages/LocationMapManager.css

@@ -787,6 +787,26 @@
   background: rgba(96, 165, 250, 0.16);
 }
 
+.location-map-zone-items li.is-bought {
+  background: rgba(20, 184, 166, 0.12);
+  border-color: rgba(20, 184, 166, 0.3);
+}
+
+.location-map-zone-items li.is-bought .location-map-zone-item-button {
+  color: #cbd5e1;
+  cursor: default;
+}
+
+.location-map-zone-items li.is-bought .location-map-zone-item-button span {
+  text-decoration: line-through;
+  text-decoration-thickness: 2px;
+  text-decoration-color: rgba(20, 184, 166, 0.85);
+}
+
+.location-map-zone-item-button:disabled {
+  opacity: 1;
+}
+
 .location-map-zone-items small {
   color: #cbd5e1;
   font-weight: 800;

frontend/tests/location-map-manager.spec.ts

@@ -2264,6 +2264,70 @@ test("viewer can buy selected zone items from the map", async ({ page }) => {
   await expect(page.getByText("No items assigned to this zone yet.")).toBeVisible();
 });
 
+test("viewer shows completed zone items without rebuy actions", async ({ page }) => {
+  await mockMapShell(page);
+
+  const mapState = {
+    ...publishedMapState([
+      {
+        id: 1533,
+        location_map_id: 901,
+        zone_id: 501,
+        zone_name: "Bakery",
+        type: "zone",
+        label: "Bakery",
+        x: 40,
+        y: 40,
+        width: 260,
+        height: 160,
+        rotation: 0,
+        locked: false,
+        visible: true,
+        sort_order: 1,
+      },
+    ], true),
+    items: [
+      {
+        ...items[0],
+        bought: true,
+      },
+    ],
+  };
+  let boughtRequestCount = 0;
+
+  await page.route("**/households/1/locations/10/map", async (route) => {
+    await route.fulfill({
+      status: 200,
+      contentType: "application/json",
+      body: JSON.stringify(mapState),
+    });
+  });
+
+  await page.route("**/households/1/locations/10/list/item", async (route) => {
+    boughtRequestCount += 1;
+    await route.fulfill({
+      status: 200,
+      contentType: "application/json",
+      body: JSON.stringify({ success: true }),
+    });
+  });
+
+  await page.goto("/stores/100/locations/10/map");
+  await page.getByRole("button", { name: "Layers" }).click();
+  await page.getByRole("button", { name: "Bought" }).click();
+  await page.locator('[data-object-key="1533"]').locator("rect").first().click();
+
+  const boughtRow = page.getByRole("button", { name: "french bread bought" });
+  await expect(boughtRow).toBeVisible();
+  await expect(boughtRow).toBeDisabled();
+  await expect(boughtRow.locator("small")).toHaveText("Bought");
+
+  await boughtRow.click({ force: true });
+
+  await expect(page.locator(".confirm-buy-modal")).toHaveCount(0);
+  expect(boughtRequestCount).toBe(0);
+});
+
 test("viewer explains when unmapped items are hidden by filters", async ({ page }) => {
   await mockMapShell(page);