test: add Playwright E2E test configuration and test files

playwright.config.js

@@ -0,0 +1,34 @@
+/**
+ * Playwright Configuration for Railtrack Pro
+ * E2E testing with video recording
+ */
+const { defineConfig, devices } = require('@playwright/test');
+
+module.exports = defineConfig({
+  testDir: './test/e2e',
+  fullyParallel: true,
+  forbidOnly: !!process.env.CI,
+  retries: process.env.CI ? 2 : 0,
+  workers: process.env.CI ? 1 : undefined,
+  reporter: 'html',
+  use: {
+    baseURL: 'http://localhost:8080',
+    trace: 'on-first-retry',
+    screenshot: 'only-on-failure',
+    video: 'on-first-retry'
+  },
+  projects: [
+    {
+      name: 'chromium',
+      use: { ...devices['Desktop Chrome'] }
+    },
+    {
+      name: 'firefox',
+      use: { ...devices['Desktop Firefox'] }
+    },
+    {
+      name: 'webkit',
+      use: { ...devices['Desktop Safari'] }
+    }
+  ]
+});