Test onboarding visibility in production builds

playwright.production.config.js

@@ -0,0 +1,21 @@
+// Rôle : vérifie le build de production sans réutiliser une instance Vite de développement.
+import { defineConfig, devices } from "@playwright/test";
+
+export default defineConfig({
+  testDir: "./e2e/production",
+  workers: 1,
+  outputDir: "test-results/production",
+  reporter: [["list"], ["html", { open: "never", outputFolder: "playwright-report/production" }]],
+  use: {
+    baseURL: "http://127.0.0.1:4173",
+    trace: "retain-on-failure",
+    screenshot: "only-on-failure"
+  },
+  webServer: {
+    command: "npm run preview -- --host 127.0.0.1 --port 4173 --strictPort",
+    url: "http://127.0.0.1:4173",
+    reuseExistingServer: false,
+    timeout: 120000
+  },
+  projects: [{ name: "chromium-production", use: { ...devices["Desktop Chrome"] } }]
+});