test(visual): regression baselines for stable list/landing pages

New `visual` project covers six low-volatility screens — portal login,
dashboard, and the four core lists (clients/yachts/berths/invoices) —
with full-page screenshots that diff to a 2% pixel-ratio tolerance.
Animations and the cursor caret are disabled inline so transient
rendering doesn't trigger flaky diffs.

Detail screens (yacht detail, EOI dialog, invoice form steps) are
intentionally deferred until we have stable per-id fixtures so
snapshots don't drift with seed data.

Regenerate with: pnpm exec playwright test --project=visual --update-snapshots

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

playwright.config.ts

@@ -63,6 +63,18 @@ export default defineConfig({
         viewport: { width: 1440, height: 900 },
       },
     },
+    {
+      // Visual regression baselines. Regenerate with --update-snapshots after
+      // intentional UI changes; otherwise pnpm exec playwright test --project=visual
+      // diffs against the committed PNGs.
+      name: 'visual',
+      testMatch: /visual\/.*\.spec\.ts/,
+      dependencies: ['setup'],
+      use: {
+        ...devices['Desktop Chrome'],
+        viewport: { width: 1440, height: 900 },
+      },
+    },
   ],
 
   // Don't start the dev server — we expect it to already be running