Add flash messages to login page, French security translations, fix CS

- Add success flash messages display on login page (reset password, email verified)
- Create translations/security.fr.yaml with French security messages
- Set default_locale to fr in translation.yaml
- Remove unused StripeObject import (CS Fixer)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

config/packages/translation.yaml

@@ -1,5 +1,5 @@
 framework:
-    default_locale: en
+    default_locale: fr
     translator:
         default_path: '%kernel.project_dir%/translations'
         providers:

templates/security/login.html.twig

@@ -8,6 +8,12 @@
     <h1 class="text-3xl font-black uppercase tracking-tighter italic" style="border-bottom:4px solid #111827;display:inline-block;margin-bottom:0.5rem;">Connexion</h1>
     <p class="font-bold text-gray-600 italic" style="margin-bottom:2rem;">Accedez a votre espace.</p>
 
+    {% for message in app.flashes('success') %}
+        <div style="border:4px solid #111827;padding:1rem 1.5rem;margin-bottom:2rem;background:#d1fae5;box-shadow:4px 4px 0 rgba(0,0,0,1);">
+            <p class="font-black text-sm">{{ message }}</p>
+        </div>
+    {% endfor %}
+
     {% if error %}
         <div style="border:4px solid #111827;padding:1rem 1.5rem;margin-bottom:2rem;background:#fee2e2;box-shadow:4px 4px 0 rgba(0,0,0,1);">
             <p class="font-black text-sm">{{ error.messageKey|trans(error.messageData, 'security') }}</p>

tests/Controller/StripeWebhookControllerTest.php

@@ -9,7 +9,6 @@ use App\Service\PayoutPdfService;
 use App\Service\StripeService;
 use Doctrine\ORM\EntityManagerInterface;
 use Stripe\Event;
-use Stripe\StripeObject;
 use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
 
 class StripeWebhookControllerTest extends WebTestCase

translations/security.fr.yaml

@@ -0,0 +1,14 @@
+"Invalid credentials.": "Identifiants invalides."
+"Invalid or expired login link.": "Lien de connexion invalide ou expire."
+"Too many failed login attempts, please try again in %minutes% minute.": "Trop de tentatives de connexion echouees, veuillez reessayer dans %minutes% minute."
+"Too many failed login attempts, please try again in %minutes% minutes.": "Trop de tentatives de connexion echouees, veuillez reessayer dans %minutes% minutes."
+"Account is disabled.": "Ce compte est desactive."
+"Account is locked.": "Ce compte est verrouille."
+"Account has expired.": "Ce compte a expire."
+"Credentials have expired.": "Les identifiants ont expire."
+"An authentication exception occurred.": "Une erreur d'authentification est survenue."
+"Authentication credentials could not be found.": "Les identifiants d'authentification n'ont pas ete trouves."
+"Authentication request could not be processed due to a system problem.": "La demande d'authentification n'a pas pu etre traitee en raison d'un probleme systeme."
+"CSRF token is invalid.": "Le jeton CSRF est invalide."
+"Not privileged to request the resource.": "Acces non autorise a cette ressource."
+"Username could not be found.": "Identifiant introuvable."