```

✨ feat(sentry): Ajoute Sentry pour le suivi des erreurs

Ajoute Sentry pour le suivi des erreurs en production et améliore la
gestion des erreurs côté client et serveur.
```

assets/app.js

@@ -2,6 +2,7 @@ import './app.scss'
 import * as Turbo from "@hotwired/turbo"
 
 import {PaymentForm} from './PaymentForm'
+import * as Sentry from "@sentry/browser";
 
 // --- CLÉS DE STOCKAGE ET VAPID ---
 const VAPID_PUBLIC_KEY = "BKz0kdcsG6kk9KxciPpkfP8kEDAd408inZecij5kBDbQ1ZGZSNwS4KZ8FerC28LFXvgSqpDXtor3ePo0zBCdNqo";
@@ -427,6 +428,24 @@ document.addEventListener('DOMContentLoaded', ()=>{
     // Gère le bandeau de cookies (bottom-right)
     handleCookieBanner()
 
+    Sentry.init({
+        dsn: "https://129785624e32fc0d4d7d8002a03b77b7@o4509563601092608.ingest.de.sentry.io/4510392640340048",
+        // Setting this option to true will send default PII data to Sentry.
+        // For example, automatic IP address collection on events
+        sendDefaultPii: true,
+        integrations: [
+            Sentry.browserTracingIntegration(),
+            Sentry.replayIntegration()
+        ],
+        tunnel: "/tunnel",
+        // Tracing
+        tracesSampleRate: 1.0, //  Capture 100% of the transactions
+        // Set 'tracePropagationTargets' to control for which URLs distributed tracing should be enabled
+        tracePropagationTargets: ["localhost", /^https:\/\/yourserver\.io\/api/],
+        // Session Replay
+        replaysSessionSampleRate: 0.1, // This sets the sample rate at 10%. You may want to change it to 100% while in development and then sample at a lower rate in production.
+        replaysOnErrorSampleRate: 1.0 // If you're not already sampling the entire session, change the sample rate to 100% when sampling sessions where errors occur.
+    });
     const env = document.querySelector('meta[name="env"]')
     if(env.getAttribute('content') == "prod") {
         if (typeof navigator.serviceWorker !== 'undefined') {