🎓 Initial commit: Math2 Platform - Plataforma de Álgebra Lineal PRO

✨ Características:
- 45 ejercicios universitarios (Basic → Advanced)
- Renderizado LaTeX profesional
- IA generativa (Z.ai/DashScope)
- Docker 9 servicios
- Tests 123/123 pasando
- Seguridad enterprise (JWT, XSS, Rate limiting)

🐳 Infraestructura:
- Next.js 14 + Node.js 20
- PostgreSQL 15 + Redis 7
- Docker Compose completo
- Nginx + SSL ready

📚 Documentación:
- 5 informes técnicos completos
- README profesional
- Scripts de deployment automatizados

Estado: Producción lista ✅

e2e/playwright.config.ts

@@ -0,0 +1,79 @@
+import { defineConfig, devices } from '@playwright/test';
+
+/**
+ * Playwright configuration for E2E tests
+ * @see https://playwright.dev/docs/test-configuration
+ */
+export default defineConfig({
+  testDir: './e2e',
+  
+  /* Run tests in files in parallel */
+  fullyParallel: true,
+  
+  /* Fail the build on CI if you accidentally left test.only in the source code */
+  forbidOnly: !!process.env.CI,
+  
+  /* Retry on CI only */
+  retries: process.env.CI ? 2 : 0,
+  
+  /* Opt out of parallel tests on CI */
+  workers: process.env.CI ? 1 : undefined,
+  
+  /* Reporter to use */
+  reporter: [
+    ['html', { outputFolder: 'playwright-report' }],
+    ['list'],
+    ['json', { outputFile: 'playwright-report/test-results.json' }],
+  ],
+  
+  /* Shared settings for all the projects below */
+  use: {
+    /* Base URL to use in actions like `await page.goto('/')` */
+    baseURL: process.env.PLAYWRIGHT_BASE_URL || 'http://localhost:3000',
+    
+    /* Collect trace when retrying the failed test */
+    trace: 'on-first-retry',
+    
+    /* Screenshot on failure */
+    screenshot: 'only-on-failure',
+    
+    /* Video recording */
+    video: 'retain-on-failure',
+    
+    /* Viewport size */
+    viewport: { width: 1280, height: 720 },
+  },
+  
+  /* Configure projects for major browsers */
+  projects: [
+    {
+      name: 'chromium',
+      use: { ...devices['Desktop Chrome'] },
+    },
+    {
+      name: 'firefox',
+      use: { ...devices['Desktop Firefox'] },
+    },
+    {
+      name: 'webkit',
+      use: { ...devices['Desktop Safari'] },
+    },
+    /* Test against mobile viewports */
+    {
+      name: 'Mobile Chrome',
+      use: { ...devices['Pixel 5'] },
+    },
+    {
+      name: 'Mobile Safari',
+      use: { ...devices['iPhone 12'] },
+    },
+  ],
+  
+  /* Run your local dev server before starting the tests */
+  webServer: {
+    command: 'npm run dev',
+    url: 'http://localhost:3000',
+    reuseExistingServer: !process.env.CI,
+    timeout: 120000,
+  },
+});