Fix compact calendar events and stabilize E2E execution

playwright.config.js

@@ -4,10 +4,12 @@ import { defineConfig, devices } from "@playwright/test";
 export default defineConfig({
   testDir: "./e2e",
   fullyParallel: true,
+  // Le serveur Vite partagé compile les outils lazy à la première visite.
+  workers: 2,
   reporter: [["list"], ["html", { open: "never" }]],
   use: {
     baseURL: "http://localhost:5173",
-    trace: "on-first-retry",
+    trace: "retain-on-failure",
     screenshot: "only-on-failure"
   },
   webServer: {