Feature/lighthouse ci budgets 530

src/lighthouserc.js

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+module.exports = {
+  ci: {
+    collect: {
+      numberOfRuns: 3,
+      staticDistDir: './frontend/dist', // Points directly to the built bundle output
+    },
+    assert: {
+      assertions: {
+        'categories:performance': ['error', { minScore: 0.90 }],
+        // Task Requirement: Enforce strict performance budgets for LCP and CLS
+        'largest-contentful-paint': ['error', { maxNumericValue: 2500 }], // LCP <= 2.5s (Good threshold)
+        'cumulative-layout-shift': ['error', { maxNumericValue: 0.1 }],   // CLS <= 0.1 (Good threshold)
+      },
+    },
+    upload: {
+      target: 'temporary-public-storage', // Uploads auditable HTML reports for triage
+    },
+  },
+};

tests/accessibility.spec.ts

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+import { test, expect } from '@playwright/test';
+import AxeBuilder from '@axe-core/playwright';
+
+test.describe('Accessibility Quality Gate Matrix', () => {
+  test('should pass standard automated a11y checking algorithms without strict violations', async ({ page }) => {
+    // Navigate to a critical landing view route
+    await page.goto('/');
+
+    // Scan page elements using WCAG 2.1 AA benchmarks
+    const accessibilityScanResults = await new AxeBuilder({ page })
+      .withTags(['wcag2a', 'wcag2aa'])
+      .analyze();
+
+    // Task Requirement: Verify zero violations to avoid regression failures
+    expect(accessibilityScanResults.violations).toEqual([]);
+  });
+});