diff --git a/frontend/templates/index.html b/frontend/templates/index.html
index 2fb599b..cfa62a9 100644
--- a/frontend/templates/index.html
+++ b/frontend/templates/index.html
@@ -72,6 +72,7 @@
 <script>
 // ── Source type toggle ────────────────────────────────────────────
 function toggleSourceInput(e) {
+  console.log('toggleSourceInput called', e.target.value);
   const type = e.target.value;
   document.getElementById('upload-group').classList.toggle('pve-hidden', type !== 'upload');
   document.getElementById('url-group').classList.toggle('pve-hidden', type !== 'url');