How can I enable the source editing plugin? <img width="1667" alt="image" src="https://github.com/user-attachments/assets/fabcb093-1a17-457e-a838-5e2e04c6b00d"> <img width="316" alt="Screenshot 2024-09-27 at 9 27 27 AM" src="https://github.com/user-attachments/assets/17679446-92c6-4250-9a25-5009c8b33bfd">
