diff --git a/deploy/app.js b/deploy/app.js
index 9445e65..9d1c79d 100644
--- a/deploy/app.js
+++ b/deploy/app.js
@@ -544,11 +544,7 @@ window.runCompareForGroup = async function(gi, btn) {
     if (d.type === 'extract_start') {
       var sec = document.createElement('div');
       sec.style.cssText = 'margin-top:8px;border:1px solid var(--brand-gray);border-radius:6px;overflow:hidden;';
-      sec.innerHTML = '<div class="diff-section-header" style="padding:8px 12px;background:var(--brand-grey-light);cursor:pointer;font-size:13px;font-weight:600;">⏳ ' + d.filename + '</div><div class="diff-section-body" style="display:none;padding:8px 12px;"></div>';
-      sec.querySelector('.diff-section-header').addEventListener('click', function() {
-        var body = sec.querySelector('.diff-section-body');
-        body.style.display = body.style.display === 'none' ? 'block' : 'none';
-      });
+      sec.innerHTML = '<div class="diff-section-header" style="padding:8px 12px;background:var(--brand-grey-light);cursor:pointer;font-size:13px;font-weight:600;" onclick="var b=this.nextElementSibling;b.style.display=b.style.display===\'none\'?\'block\':\'none\';">⏳ ' + d.filename + '</div><div class="diff-section-body" style="display:none;padding:8px 12px;"></div>';
       cmpBody.appendChild(sec);
       sections[d.supplement_id] = sec;
     }
@@ -683,11 +679,7 @@ document.getElementById('llmBtn').addEventListener('click', function() {
     if (d.type === 'extract_start') {
       var sec = document.createElement('div');
       sec.style.cssText = 'margin-top:8px;border:1px solid var(--brand-gray);border-radius:6px;overflow:hidden;';
-      sec.innerHTML = '<div class="diff-section-header" style="padding:8px 12px;background:var(--brand-grey-light);cursor:pointer;font-size:13px;font-weight:600;">⏳ ' + d.filename + '</div><div class="diff-section-body" style="display:none;padding:8px 12px;"></div>';
-      sec.querySelector('.diff-section-header').addEventListener('click', function() {
-        var body = sec.querySelector('.diff-section-body');
-        body.style.display = body.style.display === 'none' ? 'block' : 'none';
-      });
+      sec.innerHTML = '<div class="diff-section-header" style="padding:8px 12px;background:var(--brand-grey-light);cursor:pointer;font-size:13px;font-weight:600;" onclick="var b=this.nextElementSibling;b.style.display=b.style.display===\'none\'?\'block\':\'none\';">⏳ ' + d.filename + '</div><div class="diff-section-body" style="display:none;padding:8px 12px;"></div>';
       compareBody.appendChild(sec);
       sections[d.supplement_id] = sec;
     }