test: align navigation and sign label checks with the gantry

tests/browser/journey-integration.spec.ts

@@ -18,6 +18,16 @@ const sections = [
 
 test.beforeEach(async ({ page }) => installSceneInstrumentation(page));
 
+
+/**
+ * The gantry window pre-draws its hover twin for the exit it rests on, which
+ * is Start at load. That is a window texture, not a roadside sign, so it is
+ * left out of the roadside label checks; Start never has a roadside sign.
+ */
+function roadsideLabels(labels: readonly string[]): string[] {
+  return labels.filter((label) => label !== 'Start');
+}
+
 test('keeps navigation, HUD, progress, chapter, and arrival on the same next-frame section snapshot', async ({
   page,
   distUrl,
@@ -105,7 +115,7 @@ test('draws only the independently eligible next roadside sign during passive fo
   await waitForOneAnimationFrame(page);
 
   await expect.poll(async () => (await readSceneInstrumentation(page)).routeLabelsDrawn).toContain(oracle.expectedLabel);
-  const labels = (await readSceneInstrumentation(page)).routeLabelsDrawn;
+  const labels = roadsideLabels((await readSceneInstrumentation(page)).routeLabelsDrawn);
   expect([...new Set(labels)]).toEqual([oracle.expectedLabel]);
 });
 
@@ -235,12 +245,12 @@ test('shows exactly one destination sign for a navigator click and suppresses hi
   await expect(page.locator('#selected-builds-heading')).toBeFocused();
   await page.waitForTimeout(2_400);
   const afterRepeat = await readSceneInstrumentation(page);
-  expect(afterRepeat.routeLabelsDrawn).toEqual(['Selected builds']);
+  expect(roadsideLabels(afterRepeat.routeLabelsDrawn)).toEqual(['Selected builds']);
   expect(countSignPresentations(afterRepeat.signFrames, 'selected-builds')).toBe(1);
 
   await page.goBack({ waitUntil: 'domcontentloaded' });
   await page.waitForTimeout(400);
-  expect((await readSceneInstrumentation(page)).routeLabelsDrawn).toEqual(['Selected builds']);
+  expect(roadsideLabels((await readSceneInstrumentation(page)).routeLabelsDrawn)).toEqual(['Selected builds']);
 });
 
 test('keeps the non-navigator Explore work section jump sign-suppressed', async ({
@@ -430,7 +440,7 @@ test('moves an already-readable portrait sign into navigator-safe placement with
 
   const instrumentation = await readSceneInstrumentation(page);
   expect(countSignPresentations(instrumentation.signFrames, 'profile')).toBe(1);
-  expect(instrumentation.routeLabelsDrawn).toEqual(['Profile']);
+  expect(roadsideLabels(instrumentation.routeLabelsDrawn)).toEqual(['Profile']);
 });
 
 test('re-arms passive signage after a navigator round trip to Start', async ({
@@ -495,7 +505,7 @@ test('reconciles an idle rapid jump to the latest active route without flashing
     frame.targetId === 'selected-builds'
   ))?.phase, { intervals: [16], timeout: 5_000 }).toBe('dwell');
   const instrumentation = await readSceneInstrumentation(page);
-  expect([...new Set(instrumentation.routeLabelsDrawn)])
+  expect([...new Set(roadsideLabels(instrumentation.routeLabelsDrawn))])
     .toEqual(['Selected builds']);
   const dwell = instrumentation.signFrames.findLast((frame) => (
     frame.targetId === 'selected-builds' && frame.phase === 'dwell'

tests/browser/title-navigation.spec.ts

@@ -8,8 +8,11 @@ test('desktop navigation docks without stretching labels or shifting the documen
   await page.evaluate(() => document.fonts.ready);
   const nav = page.locator('.site-navigation');
   await expect(nav).toHaveAttribute('data-enhanced', 'true');
+  // Since round 5 the bar is a full-bleed overhead gantry: it is docked at
+  // the top and unscaled from the first frame instead of growing into place.
   const surfaceScale = () => nav.evaluate(el => new DOMMatrixReadOnly(getComputedStyle(el, '::before').transform).a);
-  expect(await surfaceScale()).toBeLessThan(1);
+  expect(await surfaceScale()).toBe(1);
+  expect((await nav.boundingBox())!.y).toBeLessThan(1);
   const label = nav.locator('a').first();
   const initialFont = await label.evaluate(el => getComputedStyle(el).fontSize);
   // Measure the content beside this fixed header, not unrelated lazy media
@@ -26,7 +29,7 @@ test('desktop navigation docks without stretching labels or shifting the documen
   expect(await label.evaluate(el => getComputedStyle(el).fontSize)).toBe(initialFont);
   expect(await heroGeometry()).toEqual(initialHero);
   await page.evaluate(() => scrollTo(0, 0));
-  await expect.poll(async () => (await nav.boundingBox())!.y).toBeGreaterThan(10);
+  await expect.poll(async () => (await nav.boundingBox())!.y).toBeLessThan(1);
 });
 
 test('selected navigation has rounded inset highlights', async ({ page, distUrl }) => {
@@ -34,7 +37,16 @@ test('selected navigation has rounded inset highlights', async ({ page, distUrl
   const disclosure = page.locator('.site-navigation summary');
   if (await disclosure.isVisible()) await disclosure.click();
   const selected = page.locator('.site-navigation a[aria-current="page"]');
-  expect(await selected.evaluate(el => parseFloat(getComputedStyle(el).borderTopLeftRadius))).toBeGreaterThanOrEqual(5);
+  // On the desktop gantry the current exit is marked by its amber lane lamp
+  // (the li::after rule) rather than a rounded inset; the menu keeps the inset.
+  const marker = await selected.evaluate(el => {
+    const lamp = getComputedStyle(el.parentElement!, '::after');
+    return {
+      radius: parseFloat(getComputedStyle(el).borderTopLeftRadius),
+      lamp: lamp.content !== 'none' && parseFloat(lamp.blockSize) >= 2,
+    };
+  });
+  expect(marker.radius >= 5 || marker.lamp).toBe(true);
   await selected.focus();
   await page.keyboard.press('Shift');
   expect(await selected.evaluate(el => getComputedStyle(el).outlineStyle)).not.toBe('none');