From ffafd2e78775191358beacb6697eadf206919301 Mon Sep 17 00:00:00 2001
From: Abdullah Atta <abdullahatta@streetwriters.co>
Date: Tue, 3 Mar 2026 10:36:11 +0500
Subject: [PATCH] editor: fix marks lost on node split

---
 packages/editor/src/extensions/block-id/block-id.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/editor/src/extensions/block-id/block-id.ts b/packages/editor/src/extensions/block-id/block-id.ts
index e3bc861f5..f91b892a7 100644
--- a/packages/editor/src/extensions/block-id/block-id.ts
+++ b/packages/editor/src/extensions/block-id/block-id.ts
@@ -106,6 +106,8 @@ export const BlockId = Extension.create({
           if (updates.length > 0) {
             tr.step(new BatchAttributeStep(updates));
             tr.setMeta("ignoreEdit", true);
+            // Transaction.addStep always clears storedMarks
+            if (newState.storedMarks) tr.setStoredMarks(newState.storedMarks);
             return tr;
           }