Add Playwright testing setup

.gitignore

@@ -36,3 +36,11 @@ work
 Cargo.lock
 .kiro
 config
+
+# Playwright
+node_modules/
+/test-results/
+/playwright-report/
+/blob-report/
+/playwright/.cache/
+/playwright/.auth/

package.json

@@ -0,0 +1,12 @@
+{
+  "name": "gb",
+  "version": "1.0.0",
+  "main": "index.js",
+  "author": "Rodrigo Rodriguez (Pragmatismo) <me@rodrigorodriguez.com>",
+  "license": "MIT",
+  "devDependencies": {
+    "@playwright/test": "^1.58.1",
+    "@types/node": "^25.2.0"
+  },
+  "scripts": {}
+}

playwright.config.ts

@@ -0,0 +1,79 @@
+import { defineConfig, devices } from '@playwright/test';
+
+/**
+ * Read environment variables from file.
+ * https://github.com/motdotla/dotenv
+ */
+// import dotenv from 'dotenv';
+// import path from 'path';
+// dotenv.config({ path: path.resolve(__dirname, '.env') });
+
+/**
+ * See https://playwright.dev/docs/test-configuration.
+ */
+export default defineConfig({
+  testDir: './tests',
+  /* 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. See https://playwright.dev/docs/test-reporters */
+  reporter: 'html',
+  /* Shared settings for all the projects below. See https://playwright.dev/docs/api/class-testoptions. */
+  use: {
+    /* Base URL to use in actions like `await page.goto('')`. */
+    // baseURL: 'http://localhost:3000',
+
+    /* Collect trace when retrying the failed test. See https://playwright.dev/docs/trace-viewer */
+    trace: 'on-first-retry',
+  },
+
+  /* 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'] },
+    // },
+
+    /* Test against branded browsers. */
+    // {
+    //   name: 'Microsoft Edge',
+    //   use: { ...devices['Desktop Edge'], channel: 'msedge' },
+    // },
+    // {
+    //   name: 'Google Chrome',
+    //   use: { ...devices['Desktop Chrome'], channel: 'chrome' },
+    // },
+  ],
+
+  /* Run your local dev server before starting the tests */
+  // webServer: {
+  //   command: 'npm run start',
+  //   url: 'http://localhost:3000',
+  //   reuseExistingServer: !process.env.CI,
+  // },
+});

tests/example.spec.ts

@@ -0,0 +1,18 @@
+import { test, expect } from '@playwright/test';
+
+test('has title', async ({ page }) => {
+  await page.goto('https://playwright.dev/');
+
+  // Expect a title "to contain" a substring.
+  await expect(page).toHaveTitle(/Playwright/);
+});
+
+test('get started link', async ({ page }) => {
+  await page.goto('https://playwright.dev/');
+
+  // Click the get started link.
+  await page.getByRole('link', { name: 'Get started' }).click();
+
+  // Expects page to have a heading with the name of Installation.
+  await expect(page.getByRole('heading', { name: 'Installation' })).toBeVisible();
+});

yarn.lock

@@ -0,0 +1,41 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+"@playwright/test@^1.58.1":
+  version "1.58.1"
+  resolved "https://registry.yarnpkg.com/@playwright/test/-/test-1.58.1.tgz#891dcd1da815cb1042490531f6d8778988509d22"
+  integrity sha512-6LdVIUERWxQMmUSSQi0I53GgCBYgM2RpGngCPY7hSeju+VrKjq3lvs7HpJoPbDiY5QM5EYRtRX5fvrinnMAz3w==
+  dependencies:
+    playwright "1.58.1"
+
+"@types/node@^25.2.0":
+  version "25.2.0"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-25.2.0.tgz#015b7d228470c1dcbfc17fe9c63039d216b4d782"
+  integrity sha512-DZ8VwRFUNzuqJ5khrvwMXHmvPe+zGayJhr2CDNiKB1WBE1ST8Djl00D0IC4vvNmHMdj6DlbYRIaFE7WHjlDl5w==
+  dependencies:
+    undici-types "~7.16.0"
+
+fsevents@2.3.2:
+  version "2.3.2"
+  resolved "https://registry.yarnpkg.com/fsevents/-/fsevents-2.3.2.tgz#8a526f78b8fdf4623b709e0b975c52c24c02fd1a"
+  integrity sha512-xiqMQR4xAeHTuB9uWm+fFRcIOgKBMiOBP+eXiyT7jsgVCq1bkVygt00oASowB7EdtpOHaaPgKt812P9ab+DDKA==
+
+playwright-core@1.58.1:
+  version "1.58.1"
+  resolved "https://registry.yarnpkg.com/playwright-core/-/playwright-core-1.58.1.tgz#d63be2c9b7dcbdb035beddd4b42437bd3ca89107"
+  integrity sha512-bcWzOaTxcW+VOOGBCQgnaKToLJ65d6AqfLVKEWvexyS3AS6rbXl+xdpYRMGSRBClPvyj44njOWoxjNdL/H9UNg==
+
+playwright@1.58.1:
+  version "1.58.1"
+  resolved "https://registry.yarnpkg.com/playwright/-/playwright-1.58.1.tgz#63300e77a604c77264e1b499c0d94b54ed96d6ba"
+  integrity sha512-+2uTZHxSCcxjvGc5C891LrS1/NlxglGxzrC4seZiVjcYVQfUa87wBL6rTDqzGjuoWNjnBzRqKmF6zRYGMvQUaQ==
+  dependencies:
+    playwright-core "1.58.1"
+  optionalDependencies:
+    fsevents "2.3.2"
+
+undici-types@~7.16.0:
+  version "7.16.0"
+  resolved "https://registry.yarnpkg.com/undici-types/-/undici-types-7.16.0.tgz#ffccdff36aea4884cbfce9a750a0580224f58a46"
+  integrity sha512-Zz+aZWSj8LE6zoxD+xrjh4VfkIG8Ya6LvYkZqtUQGJPZjYl53ypCaUwWqo7eI0x66KBGeRo+mlBEkMSeSZ38Nw==