test: add functional portal suite

tests/functional/playwright.config.ts

@@ -0,0 +1,22 @@
+import { defineConfig } from "@playwright/test";
+
+export default defineConfig({
+  testDir: "./tests",
+  timeout: 30_000,
+  expect: {
+    timeout: 5_000,
+  },
+  fullyParallel: false,
+  forbidOnly: true,
+  retries: 0,
+  workers: 1,
+  reporter: "line",
+  outputDir: "test-results",
+  use: {
+    baseURL: process.env.BASE_URL ?? "http://azionelab.org",
+    browserName: "chromium",
+    screenshot: "only-on-failure",
+    trace: "retain-on-failure",
+    video: "off",
+  },
+});