diff --git a/packages/coding-agent/src/core/export-html/template.js b/packages/coding-agent/src/core/export-html/template.js
index 57bdb811..f2b00b06 100644
--- a/packages/coding-agent/src/core/export-html/template.js
+++ b/packages/coding-agent/src/core/export-html/template.js
@@ -709,6 +709,7 @@
             div.appendChild(content);
             // Navigate to the newest leaf through this node, but scroll to the clicked node
             div.addEventListener('click', () => {
+              if (window.getSelection().toString()) return;
               const leafId = findNewestLeaf(entry.id);
               navigateTo(leafId, 'target', entry.id);
             });
@@ -827,7 +828,7 @@
               previewHighlighted = escapeHtml(previewCode);
             }
 
-            return `<div class="tool-output expandable" onclick="this.classList.toggle('expanded')">
+            return `<div class="tool-output expandable" onclick="if(window.getSelection().toString())return;this.classList.toggle('expanded')">
               <div class="output-preview"><pre><code class="hljs">${previewHighlighted}</code></pre>
               <div class="expand-hint">... (${remaining} more lines)</div></div>
               <div class="output-full"><pre><code class="hljs">${highlighted}</code></pre></div></div>`;
@@ -838,7 +839,7 @@
 
         // Plain text output
         if (remaining > 0) {
-          let out = '<div class="tool-output expandable" onclick="this.classList.toggle(\'expanded\')">';
+          let out = '<div class="tool-output expandable" onclick="if(window.getSelection().toString())return;this.classList.toggle(\'expanded\')">';
           out += '<div class="output-preview">';
           for (const line of displayLines) {
             out += `<div>${escapeHtml(replaceTabs(line))}</div>`;
@@ -976,7 +977,7 @@
               
               if (rendered.resultHtmlCollapsed && rendered.resultHtmlExpanded && rendered.resultHtmlCollapsed !== rendered.resultHtmlExpanded) {
                 // Both collapsed and expanded differ - render expandable section
-                html += `<div class="tool-output expandable ansi-rendered" onclick="this.classList.toggle('expanded')">
+                html += `<div class="tool-output expandable ansi-rendered" onclick="if(window.getSelection().toString())return;this.classList.toggle('expanded')">
                   <div class="output-preview">${rendered.resultHtmlCollapsed}</div>
                   <div class="output-full">${rendered.resultHtmlExpanded}</div>
                 </div>`;
@@ -1198,7 +1199,7 @@
         }
 
         if (entry.type === 'compaction') {
-          return `<div class="compaction" id="${entryId}" onclick="this.classList.toggle('expanded')">
+          return `<div class="compaction" id="${entryId}" onclick="if(window.getSelection().toString())return;this.classList.toggle('expanded')">
             <div class="compaction-label">[compaction]</div>
             <div class="compaction-collapsed">Compacted from ${entry.tokensBefore.toLocaleString()} tokens</div>
             <div class="compaction-content"><strong>Compacted from ${entry.tokensBefore.toLocaleString()} tokens</strong>\n\n${escapeHtml(entry.summary)}</div>
@@ -1310,7 +1311,7 @@
           if (lines.length > previewLines) {
             const preview = lines.slice(0, previewLines).join('\n');
             const remaining = lines.length - previewLines;
-            html += `<div class="system-prompt expandable" onclick="this.classList.toggle('expanded')">
+            html += `<div class="system-prompt expandable" onclick="if(window.getSelection().toString())return;this.classList.toggle('expanded')">
               <div class="system-prompt-header">System Prompt</div>
               <div class="system-prompt-preview">${escapeHtml(preview)}</div>
               <div class="system-prompt-expand-hint">... (${remaining} more lines, click to expand)</div>
@@ -1347,7 +1348,7 @@
                   }
                   paramsHtml += `</div>`;
                 }
-                return `<div class="tool-item" onclick="this.classList.toggle('params-expanded')"><span class="tool-item-name">${escapeHtml(t.name)}</span> - <span class="tool-item-desc">${escapeHtml(t.description)}</span> <span class="tool-params-hint"></span><div class="tool-params-content">${paramsHtml}</div></div>`;
+                return `<div class="tool-item" onclick="if(window.getSelection().toString())return;this.classList.toggle('params-expanded')"><span class="tool-item-name">${escapeHtml(t.name)}</span> - <span class="tool-item-desc">${escapeHtml(t.description)}</span> <span class="tool-params-hint"></span><div class="tool-params-content">${paramsHtml}</div></div>`;
               }).join('')}
             </div>
           </div>`;