diff --git a/tests/browser/workspace-images.spec.mjs b/tests/browser/workspace-images.spec.mjs
index 9bba05e..87c8338 100644
--- a/tests/browser/workspace-images.spec.mjs
+++ b/tests/browser/workspace-images.spec.mjs
@@ -1592,6 +1592,30 @@ for (const width of [1600, 390]) {
     });
 }
 
+// Final review m3: D42 scrolls only when the alert meets the toast's band, never back up to one above the window.
+test('Rescan does not scroll back to a discovery alert above the window', async ({ page }) => {
+    await page.setViewportSize({ width: 1600, height: 1100 });
+    await page.route('**/prompt_manager/library/options*', route => route.abort('failed'));
+    await page.goto(workspace);
+    await expect(cards(page)).toHaveCount(2);
+    const alert = page.getByRole('alert');
+    await expect(alert).toHaveText('Categories could not be loaded. Rescan from Import to retry.');
+    await page.setViewportSize({ width: 1600, height: 260 });
+    // Import is at the top; the page is scrolled down to the last card while its dialog is open.
+    await page.getByRole('button', { name: 'Import', exact: true }).click();
+    await cards(page).last().evaluate(node => node.scrollIntoView({ block: 'end' }));
+    expect((await boxOf(alert)).bottom).toBeLessThan(0);
+    // The reload itself may move the page; what D42 must not do is scroll the alert back into view.
+    await alert.evaluate(node => {
+        window.alertScrolls = 0;
+        node.scrollIntoView = (...args) => { window.alertScrolls += 1; Element.prototype.scrollIntoView.apply(node, args); };
+    });
+    await importDialog(page).getByRole('button', { name: 'Rescan', exact: true }).click();
+    await expect(toast(page)).toHaveText(/^Rescan finished\. /);
+    await expect(alert).toBeAttached();
+    expect(await page.evaluate(() => window.alertScrolls)).toBe(0);
+});
+
 // #249 final review m8: D36's alphabetical categories hold whatever order the server sends.
 test('toolbar categories are alphabetical regardless of server order', async ({ page }) => {
     await page.route('**/prompt_manager/library/options*', route => route.fulfill({
diff --git a/web/js/workspace/images.mjs b/web/js/workspace/images.mjs
index e9d2aeb..9e41829 100644
--- a/web/js/workspace/images.mjs
+++ b/web/js/workspace/images.mjs
@@ -648,12 +648,15 @@ export function mountImages(main, api, parentScope, {embedded = false, fetchPage
         }
     }
     /**
-     * D42: the concept's toast stays fixed at the bottom, so a discovery alert the rescan leaves is scrolled, only when
-     * it must be, clear of the toast's band (its `scroll-margin-block-end`).
+     * D42: the concept's toast stays fixed at the bottom, so a discovery alert the rescan leaves is scrolled clear of
+     * the toast's band (its `scroll-margin-block-end`) only when it is in that band; elsewhere the page stays put.
      */
     function announceRescan(message) {
         showWorkspaceToast(message);
-        if (!optionsStatus.hidden) optionsStatus.scrollIntoView({block:'nearest', inline:'nearest'});
+        if (optionsStatus.hidden) return;
+        const {top, bottom} = optionsStatus.getBoundingClientRect();
+        const band = parseFloat(getComputedStyle(optionsStatus).scrollMarginBlockEnd) || 0;
+        if (bottom > innerHeight - band && top < innerHeight) optionsStatus.scrollIntoView({block:'nearest', inline:'nearest'});
     }
     async function refreshInspectionCollection() {
         if (scope.signal.aborted) return;