PR #127 disables most save commands, but this one remains enabled. <img width="596" alt="Image" src="https://github.com/user-attachments/assets/7f5e636e-b1b3-4abf-9c07-5a52a061acc6" /> Exporting a notebook as Markdown results in a 500 error: <img width="1403" alt="Image" src="https://github.com/user-attachments/assets/f9ca6116-2e9b-4b79-8fd6-01d6563f1cd7" />
