diff --git a/frontend/src/lib/shared/discussion/MentionDropdown.svelte.spec.ts b/frontend/src/lib/shared/discussion/MentionDropdown.svelte.spec.ts
index cfc782c1..cf2205b8 100644
--- a/frontend/src/lib/shared/discussion/MentionDropdown.svelte.spec.ts
+++ b/frontend/src/lib/shared/discussion/MentionDropdown.svelte.spec.ts
@@ -77,6 +77,18 @@ describe('MentionDropdown — search input', () => {
 		await expect.element(page.getByText(m.person_mention_search_prompt())).not.toBeInTheDocument();
 	});
 
+	it('search input wrapper meets the 44px touch target (WCAG 2.2 AA)', async () => {
+		render(MentionDropdown, {
+			model: makeModel(),
+			editorQuery: '',
+			onSearch: () => {}
+		});
+
+		const input = document.querySelector('[data-test-search-input]') as HTMLElement;
+		expect(input).not.toBeNull();
+		expect(input.className).toContain('min-h-[44px]');
+	});
+
 	it('invokes onSearch with the current value whenever the user types', async () => {
 		const onSearch = vi.fn();
 		render(MentionDropdown, {