Update files

packages/app/playwright.config.ts

@@ -1,6 +1,8 @@
 import { defineConfig, devices } from '@playwright/test';
 
-const baseURL = process.env.E2E_BASE_URL ?? 'http://localhost:8081';
+// E2E_METRO_PORT is set dynamically by global-setup.ts after finding a free port
+// This allows multiple test runs in parallel across different worktrees
+const baseURL = process.env.E2E_BASE_URL ?? `http://localhost:${process.env.E2E_METRO_PORT ?? '8081'}`;
 
 export default defineConfig({
   testDir: './e2e',
@@ -24,4 +26,5 @@ export default defineConfig({
       use: { ...devices['Desktop Chrome'] },
     },
   ],
+  // Note: Metro is started by global-setup.ts on a dynamic port to allow parallel test runs
 });