From c4556ab237515cea8ec6f482351c58da730ad495 Mon Sep 17 00:00:00 2001
From: Tai Nguyen <87302343+JoeJoeflyn@users.noreply.github.com>
Date: Sat, 15 Aug 2026 19:06:22 +0700
Subject: [PATCH] fix(web): stop wrapping partial code block selections in
 markdown fences (#5069)

---
 apps/web/src/markdown-clipboard.ts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/apps/web/src/markdown-clipboard.ts b/apps/web/src/markdown-clipboard.ts
index 86965eebfa96e1b4738d365365b9feb03c1f12ca..f56b3a4920e4d48c5b52987f2b9f7f366848b33c 100644
--- a/apps/web/src/markdown-clipboard.ts
+++ b/apps/web/src/markdown-clipboard.ts
@@ -301,6 +301,17 @@ export function chatMarkdownClipboardPayload(
     if (range.collapsed) continue;
     const container = document.createElement("div");
     container.appendChild(range.cloneContents());
+    const ancestor = range.commonAncestorContainer;
+    const ancestorElement =
+      ancestor.nodeType === Node.ELEMENT_NODE ? (ancestor as Element) : ancestor.parentElement;
+    if (ancestorElement?.closest("pre")) {
+      const text = range.toString();
+      if (text) {
+        texts.push(text);
+        htmls.push(sanitizedHtmlFrom(container));
+      }
+      continue;
+    }
     const text = serializeRenderedMarkdownFragment(container);
     if (!text) continue;
     texts.push(text);
-- 
2.54.0