fix: support keyboard map area selection

frontend/src/components/maps/LocationMapCanvas.jsx

@@ -89,15 +89,28 @@ export default function LocationMapCanvas({
     setDragState(null);
   };
 
+  const selectObject = (object) => {
+    if (mode === "view" || canEditObjects) {
+      setSelectedObjectKey(getObjectKey(object));
+    }
+  };
+
   const handleObjectClick = (event, object) => {
     event.stopPropagation();
     if (suppressPanClickRef.current) {
       suppressPanClickRef.current = false;
       return;
     }
-    if (mode === "view" || canEditObjects) {
+    selectObject(object);
-      setSelectedObjectKey(getObjectKey(object));
+  };
+
+  const handleObjectKeyDown = (event, object) => {
+    if (!["Enter", " ", "Spacebar"].includes(event.key)) {
+      return;
     }
+    event.stopPropagation();
+    event.preventDefault();
+    selectObject(object);
   };
 
   const clearSelection = () => {
@@ -242,8 +255,11 @@ export default function LocationMapCanvas({
           rx="12"
           role="button"
           aria-label={`Map area ${object.label || index + 1}`}
+          aria-pressed={isSelected}
+          tabIndex={mode === "view" || canEditObjects ? 0 : -1}
           onPointerDown={(event) => startDrag(event, object, "move")}
           onClick={(event) => handleObjectClick(event, object)}
+          onKeyDown={(event) => handleObjectKeyDown(event, object)}
         />
         {filters.showLabels ? (
           <text x={object.x + 16} y={object.y + 28} className="location-map-label">

frontend/src/styles/pages/LocationMapManager.css

@@ -264,12 +264,22 @@
   cursor: grabbing;
 }
 
+.location-map-object rect:first-child:focus-visible {
+  outline: none;
+  stroke: #bfdbfe;
+  stroke-width: 4;
+}
+
 .location-map-object.is-selected rect:first-child {
   fill: rgba(20, 184, 166, 0.34);
   stroke: rgb(45, 212, 191);
   stroke-width: 4;
 }
 
+.location-map-object.is-selected rect:first-child:focus-visible {
+  stroke: rgb(45, 212, 191);
+}
+
 .location-map-label {
   fill: #f8fafc;
   font-size: 24px;

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

@@ -1082,6 +1082,75 @@ test("viewer handles empty and many-item zone panels without default pins", asyn
   await expect(page.locator(".location-map-pin")).toHaveCount(0);
 });
 
+test("viewer map areas are keyboard selectable", async ({ page }) => {
+  await mockMapShell(page);
+
+  const mapState = publishedMapState([
+    {
+      id: 1571,
+      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,
+    },
+    {
+      id: 1572,
+      location_map_id: 901,
+      zone_id: 502,
+      zone_name: "Frozen Foods",
+      type: "zone",
+      label: "Frozen Foods",
+      x: 340,
+      y: 40,
+      width: 260,
+      height: 160,
+      rotation: 0,
+      locked: false,
+      visible: true,
+      sort_order: 2,
+    },
+  ], true);
+
+  await page.route("**/households/1/locations/10/map", async (route) => {
+    await route.fulfill({
+      status: 200,
+      contentType: "application/json",
+      body: JSON.stringify(mapState),
+    });
+  });
+
+  await page.goto("/stores/100/locations/10/map");
+
+  const bakeryArea = page.getByRole("button", { name: "Map area Bakery" });
+  const frozenArea = page.getByRole("button", { name: "Map area Frozen Foods" });
+  await expect(bakeryArea).toHaveAttribute("aria-pressed", "false");
+
+  await bakeryArea.focus();
+  await expect(bakeryArea).toBeFocused();
+  await page.keyboard.press("Enter");
+  await expect(bakeryArea).toHaveAttribute("aria-pressed", "true");
+  await expect(page.locator(".location-map-sheet-header strong")).toHaveText("Bakery");
+  await expect(page.locator(".location-map-sheet-count")).toHaveText("2 items");
+  await expect(page.getByText("french bread")).toBeVisible();
+
+  await frozenArea.focus();
+  await expect(frozenArea).toBeFocused();
+  await page.keyboard.press("Space");
+  await expect(frozenArea).toHaveAttribute("aria-pressed", "true");
+  await expect(bakeryArea).toHaveAttribute("aria-pressed", "false");
+  await expect(page.locator(".location-map-sheet-header strong")).toHaveText("Frozen Foods");
+  await expect(page.locator(".location-map-sheet-count")).toHaveText("0 shown");
+});
+
 test("mobile fit zoom fits the map into the visible canvas", async ({ page }) => {
   await page.setViewportSize({ width: 390, height: 844 });
   await mockMapShell(page);