Edit_notebook tool not persisting the notebook

Describe the Bug

Once a notebook is created/edited by cursor, it is not saved to disk.

Steps to Reproduce

ask cursor to create a notebook. You’ll see it’s not saved.

Expected Behavior

should be saved, same as happens with edit_file

Operating System

MacOS

Current Cursor Version (Menu → About Cursor → Copy)

Version: 1.2.1 (Universal)
VSCode Version: 1.99.3
Commit: 031e7e0ff1e2eda9c1a0f5df67d44053b059c5d0

Does this stop you from using Cursor

No - Cursor works, but with this issue