feat: add delete notification button with confirmation in admin notifications

public/assets/js/admin-notifications.js

@@ -38,3 +38,23 @@ function sendNotification() {
         btn.innerHTML = '<i class="fas fa-paper-plane"></i> Send';
     });
 }
+
+function confirmDelete(id, title) {
+    if (!confirm('Delete notification "' + title + '"? This action cannot be undone.')) return;
+
+    const csrf = document.querySelector('meta[name="csrf-token"]')?.content || '';
+    fetch('/admin/notifications/' + id + '/delete', {
+        method: 'POST',
+        headers: {
+            'Content-Type': 'application/x-www-form-urlencoded',
+            'X-CSRF-Token': csrf,
+        },
+        body: '_csrf_token=' + encodeURIComponent(csrf),
+    })
+    .then(r => r.json())
+    .then(data => {
+        showToast(data.success ? 'success' : 'error', data.message);
+        if (data.success) location.reload();
+    })
+    .catch(() => showToast('error', 'Failed to delete notification'));
+}