fix: request map area delete from keyboard

frontend/src/pages/LocationMapManager.jsx

@@ -285,6 +285,47 @@ export default function LocationMapManager() {
     saving,
   ]);
 
+  useEffect(() => {
+    const hasOpenModal = Boolean(buyModalItem || pendingDeleteObject || pendingLeaveTarget);
+    if (
+      !selectedObjectKey ||
+      mode !== "edit" ||
+      !canManage ||
+      saving ||
+      layersOpen ||
+      hasOpenModal ||
+      typeof window === "undefined"
+    ) {
+      return undefined;
+    }
+
+    const handleKeyDown = (event) => {
+      if (
+        event.defaultPrevented ||
+        !["Backspace", "Delete"].includes(event.key) ||
+        isTextEditingTarget(event.target)
+      ) {
+        return;
+      }
+
+      event.preventDefault();
+      requestDeleteObject();
+    };
+
+    window.addEventListener("keydown", handleKeyDown, true);
+    return () => window.removeEventListener("keydown", handleKeyDown, true);
+  }, [
+    buyModalItem,
+    canManage,
+    layersOpen,
+    mode,
+    pendingDeleteObject,
+    pendingLeaveTarget,
+    requestDeleteObject,
+    saving,
+    selectedObjectKey,
+  ]);
+
   if (!hasLoaded || householdLoading || loading) {
     return (
       <LocationMapMessageState

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

@@ -2438,6 +2438,18 @@ test("admin selected map area uses compact editable fields", async ({ page }) =>
   await expect(page.getByRole("spinbutton", { name: "W" })).toHaveCount(0);
   await expect(page.getByRole("spinbutton", { name: "H" })).toHaveCount(0);
 
+  await page.getByRole("textbox", { name: "Label" }).focus();
+  await page.keyboard.press("Delete");
+  await expect(page.getByRole("heading", { name: "Delete Bakery?" })).toHaveCount(0);
+  await expect(page.locator(".location-map-object.is-selected")).toHaveCount(1);
+
+  await page.getByRole("button", { name: "Visible" }).focus();
+  await page.keyboard.press("Delete");
+  await expect(page.getByRole("heading", { name: "Delete Bakery?" })).toBeVisible();
+  await page.getByRole("button", { name: "Cancel" }).click();
+  await expect(page.getByRole("heading", { name: "Delete Bakery?" })).toHaveCount(0);
+  await expect(page.locator(".location-map-object.is-selected")).toHaveCount(1);
+
   await page.getByRole("textbox", { name: "Label" }).focus();
   await page.keyboard.press("Escape");
   await expect(page.getByRole("textbox", { name: "Label" })).toBeVisible();