From 2ff113c4b143879088f824521b909ee389bb8407 Mon Sep 17 00:00:00 2001
From: biast12 <53872542+biast12@users.noreply.github.com>
Date: Sun, 4 Oct 2026 23:53:10 +0200
Subject: [PATCH] Guard Markdown sync after editor destruction

Avoids accessing a destroyed editor while synchronizing external Markdown value changes, preventing errors during editor teardown.
---
 frontend/src/components/MarkdownEditor.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/frontend/src/components/MarkdownEditor.tsx b/frontend/src/components/MarkdownEditor.tsx
index 3a5ebc13..74bcd484 100644
--- a/frontend/src/components/MarkdownEditor.tsx
+++ b/frontend/src/components/MarkdownEditor.tsx
@@ -229,7 +229,7 @@ const MarkdownEditor: FC<MarkdownEditorProps> = ({
 
   // Sync external value changes (e.g. when loading saved data)
   useEffect(() => {
-    if (!editor) return;
+    if (!editor || editor.isDestroyed) return;
     const currentMd = getMarkdown(editor.storage);
     if (value !== currentMd) {
       editor.commands.setContent(value);