test(review): cover the card Tag button and raise the review floors

The card's Tag on Needs review now has a workflow, and the page's queue
change hook has no unused default. review.mjs and review-state.mjs
floors rise to their measured coverage; no other floor changes.

tests/browser/workspace-review.spec.mjs

@@ -195,6 +195,12 @@ test('tag image from review saves tags and the item remains pending', async ({ p
     expect(await links(request)).toEqual(before);
     const [item] = (await (await request.get('/prompt_manager/review/items')).json()).items;
     expect([item.state, item.revision]).toEqual(['pending', 0]);
+    // The card's Tag opens the same dialog.
+    await cards(page).first().getByRole('button', { name: 'Tag or auto-tag review_0000.png', exact: true }).click();
+    await expect(dialog).toBeVisible();
+    await expect(dialog.locator('p.tag-scope-note')).toBeVisible();
+    await page.keyboard.press('Escape');
+    await expect(dialog).toHaveCount(0);
 });
 
 test('an empty queue shows the empty notice only', async ({ page, request }) => {

tools/vendor/frontend-coverage-baseline.json

@@ -390,16 +390,16 @@
     "statements": 95
   },
   "workspace/review-state.mjs": {
-    "lines": 94,
-    "branches": 77,
+    "lines": 95,
+    "branches": 82,
     "functions": 98,
-    "statements": 94
+    "statements": 95
   },
   "workspace/review.mjs": {
-    "lines": 96,
-    "branches": 84,
-    "functions": 90,
-    "statements": 96
+    "lines": 98,
+    "branches": 89,
+    "functions": 91,
+    "statements": 98
   },
   "workspace/saved-views.mjs": {
     "lines": 98,

web/js/workspace/review.mjs

@@ -63,7 +63,7 @@ export function imageOf(item) {
  * a change elsewhere (the shell re-reads the Needs review count); `controller` and `connect` (the change stream's
  * EventSource) are injectable for tests.
  */
-export function mountReview(main, { api, scope, onDecision = () => {}, onQueueChange = () => {},
+export function mountReview(main, { api, scope, onDecision = () => {}, onQueueChange,
     connect = openEvents, controller = createReviewController({ api }) }) {
     scope.cleanup(() => controller.dispose());
     const heading = pageHeading(main);
@@ -256,7 +256,7 @@ export function mountReview(main, { api, scope, onDecision = () => {}, onQueueCh
     const changed = () => {
         if (scope.signal.aborted) return;
         controller.refresh();
-        onQueueChange();
+        onQueueChange?.();
     };
     events.addEventListener('ready', changed);
     events.addEventListener('change', changed);