feat: Playwright against deployed music-room (shell + optional unionid chain)

No Rust/Compose; GitHub Actions with MOICEN_E2E_UNIONID secret; dotenv .env.e2e; proxy install script.

Made-with: Cursor

playwright.config.ts

@@ -0,0 +1,17 @@
+import path from 'node:path';
+import { config as loadEnv } from 'dotenv';
+import { defineConfig } from '@playwright/test';
+
+loadEnv({ path: path.join(__dirname, '.env.e2e') });
+
+export default defineConfig({
+  testDir: './tests',
+  timeout: 120_000,
+  expect: { timeout: 30_000 },
+  use: {
+    baseURL:
+      process.env.HUIKE_FRONT_BASE_URL || 'https://music-room.moicen.com',
+    trace: 'on-first-retry',
+  },
+  reporter: [['list']],
+});