Closes #34069 <img width="532" height="880" alt="Screenshot 2025-11-17 at 11 14 19 AM" src="https://github.com/user-attachments/assets/abc50c32-d54d-4310-a6e6-83008db7ed81" /> <img width="525" height="863" alt="Screenshot 2025-11-17 at 12 22 50 PM" src="https://github.com/user-attachments/assets/15a69792-c2c7-4727-add9-c1f9baa5e665" /> Release Notes: - Agent file edits now error if the file has changed since last read (allowing the agent to read changes and avoid overwriting changes made outside Zed)