feature: Instruct codex to read file before writing to a user modified file

What variant of Codex are you using?

CLI

What feature would you like to see?

This feature is present in Claude Code.
If I modify a file after it was last read by the agent, then agent has to re-read it before doing any write to it.
Any write to it returns with an error asking the agent to re-read it.

Additional information

_No response_