chore: Add playwright tests

playwright.config.ts

@@ -0,0 +1,26 @@
+import { defineConfig, devices } from '@playwright/test';
+
+export default defineConfig({
+  testDir: './tests',
+  fullyParallel: true,
+  forbidOnly: !!process.env.CI,
+  retries: process.env.CI ? 2 : 0,
+  workers: process.env.CI ? 1 : undefined,
+  reporter: 'html',
+  use: {
+    baseURL: 'http://localhost:3000',
+    trace: 'on-first-retry',
+    viewport: { width: 1920, height: 768 }
+  },
+  projects: [
+    {
+      name: 'chromium',
+      use: { ...devices['Desktop Chrome'] }
+    }
+  ],
+  webServer: {
+    command: 'pnpm run dev',
+    url: 'http://localhost:3000',
+    reuseExistingServer: !process.env.CI
+  }
+});