e2e flake watch — RESOLVED (2026-05-29)

Tracking GH: #253 (closed)

All three parked mobile-chromium flakes are fixed. Hardening landed in 31e97146a (Step 5a — waitForLoadState('networkidle') + isMobile ? tap() : click() + pre-action toBeVisible()), followed by further mobile-chromium hardening across 3ea2d156e, 7ed0fdfe1, 7d37aea98, fd878a32c, 99a52b7c2. Verified 2026-05-29: all three specs pass 3/3 on mobile-chromium (--repeat-each=3, 9/9 green).

Parked cases

earth.spec.ts:183 — chip toggle flips aria-pressed (mobile-only)

• After stations.click(), aria-pressed stays "true" across 10 retries.
• Locator resolves to the right button (data-testid="layer-stations").
• Cheapest fix candidates:
  • await stations.tap() (mobile touchscreen) instead of .click().
  • await page.waitForLoadState('networkidle') before the click — HUD intro animation may not have flushed.
• Reproducer:

  npx playwright test --workers=1 --project=mobile-chromium tests/e2e/earth.spec.ts:183

Watch list (no failure observed but flagged historically)

• explore.spec.ts:189 — SIZES overlay
• mars.spec.ts:25 — 2D toggle (currently passing; keep on watch)

What Step 0 DID land

• Dropped maintainer-side *-darwin.png baselines + gitignore rules.
• Dropped library-head visual baseline (high-churn surface).
• Added Regenerate visual snapshots manual workflow for one-click baseline refresh from CI.
• Batch-fixed getByRole('complementary') → aside.panel (launches-banner ambiguity) across mars/moon/earth/explore specs.

Resolution

• 2026-05-23 — Step 5a (31e97146a) applied networkidle + tap-on-mobile + toBeVisible() to all three specs.
• Follow-up hardening: 3ea2d156e, 7ed0fdfe1, 7d37aea98, fd878a32c, 99a52b7c2.
• 2026-05-29 — verification run (--repeat-each=3 mobile-chromium, -g "chip toggle flips aria-pressed|SIZES overlay opens via toggle|2D toggle reveals the equirectangular Mars map"): 9/9 green.