feat(setting): implémenter la suppression d'une ContentSource

- Ajoute DeleteContentSourceCommand + CommandHandler (CQRS)
- Expose DELETE /api/content-sources/{id} via API Platform (Resource, Provider, Processor)
- Ajoute 2 tests Feature (204 succès, 404 not found)
- Frontend : méthode delete() dans le repository, action deleteSource() dans le store
- Nouveau composant ContentSourceDeleteModal (modale de confirmation)
- Bouton Supprimer dans la toolbar de ScrapperEdit (visible en mode édition uniquement)

assets/vue/app/domain/setting/presentation/pages/ScrapperEdit.vue

@@ -176,6 +176,15 @@
             </div>
         </div>
         </div>
+
+        <!-- Delete Modal -->
+        <ContentSourceDeleteModal
+            :is-open="isDeleteModalOpen"
+            :source="currentSource"
+            :is-loading="isDeleting"
+            :error="deleteError"
+            @close="isDeleteModalOpen = false"
+            @confirm="confirmDeleteSource" />
     </div>
 </template>
 
@@ -185,6 +194,7 @@ import {
     CheckCircleIcon,
     ExclamationTriangleIcon,
     PencilSquareIcon,
+    TrashIcon,
     XCircleIcon,
     XMarkIcon
 } from '@heroicons/vue/24/outline';
@@ -194,6 +204,7 @@ import { useRoute, useRouter } from 'vue-router';
 import Toolbar from '../../../../shared/components/ui/Toolbar.vue';
 import { useContentSourceStore } from '../../application/store/contentSourceStore';
 import { ApiContentSourceRepository } from '../../infrastructure/api/apiContentSourceRepository';
+import ContentSourceDeleteModal from '../components/ContentSourceDeleteModal.vue';
 import ContentSourceForm from '../components/ContentSourceForm.vue';
 
 const route = useRoute();
@@ -217,6 +228,9 @@ const showTestResults = ref(false);
 const showSuccessMessage = ref(false);
 const testResults = ref({});
 const testingConfiguration = ref(false);
+const isDeleteModalOpen = ref(false);
+const isDeleting = ref(false);
+const deleteError = ref(null);
 
 const isEditing = computed(() => !!route.params.id);
 
@@ -238,6 +252,7 @@ const toolbarConfig = computed(() => ({
         { type: 'label', text: isEditing.value ? 'Modifier la configuration' : 'Nouvelle configuration', class: 'text-sm font-medium' },
     ],
     rightSection: [
+        ...(isEditing.value ? [{ type: 'button', icon: TrashIcon, label: 'Supprimer', onClick: () => { isDeleteModalOpen.value = true; }, class: 'text-red-600 hover:text-red-700' }, { type: 'divider' }] : []),
         { type: 'button', icon: PencilSquareIcon, label: isEditing.value ? 'Mettre à jour' : 'Créer', onClick: () => formRef.value?.submitForm(), disabled: saving.value },
     ],
 }));
@@ -328,6 +343,21 @@ const handleImageLoad = (event) => {
     event.target.style.display = 'block';
 };
 
+const confirmDeleteSource = async () => {
+    isDeleting.value = true;
+    deleteError.value = null;
+
+    try {
+        await contentSourceStore.deleteSource(route.params.id);
+        isDeleteModalOpen.value = false;
+        await router.push({ name: 'scrapper-configurations' });
+    } catch (error) {
+        deleteError.value = error.message;
+    } finally {
+        isDeleting.value = false;
+    }
+};
+
 const formatErrorType = (type) => {
     const typeMap = {
         'selector_error': 'Erreur sélecteur',