test: add M7 test for map marker flash highlight on card + integrate user submodule update

tests/ui/maps.spec.js

@@ -78,3 +78,17 @@ test('M6: Italy map has a journey MapLibre source after GPX settles', async ({ p
 
     expect(hasSource).toBe(true);
 });
+
+// ── M7: Clicking a trip-page map marker adds is-highlighted to the entry card ──
+test('M7: clicking map marker briefly highlights the corresponding entry card', async ({ page }) => {
+    await page.goto('/trips/japan-korea-2026');
+    // Wait for map canvas and at least one marker
+    await expect(page.locator('#trip-map canvas.maplibregl-canvas')).toBeVisible({ timeout: 10000 });
+    await expect(page.locator('.maplibregl-marker').first()).toBeVisible({ timeout: 15000 });
+
+    // Click the first marker
+    await page.locator('.maplibregl-marker').first().click();
+
+    // Within 500ms of click + delay, one entry-card should have is-highlighted
+    await expect(page.locator('.entry-card.is-highlighted')).toBeVisible({ timeout: 1500 });
+});