fix: add 1 retry for Playwright smoke tests to handle server startup timing

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

playwright.config.ts

@@ -3,7 +3,7 @@ import { defineConfig } from '@playwright/test'
 export default defineConfig({
   testDir: './tests/smoke',
   timeout: 15_000,
-  retries: 0,
+  retries: 1,
   workers: 1,
   use: {
     baseURL: process.env.BASE_URL || 'http://localhost:5201',