Changes/Diffs are not accurate

What version of Codex is running?

Cursor IDE extension

Which model were you using?

gpt5

What platform is your computer?

windows

What is the expected behavior?

expected behavior is that it should leave untouched rowes that are not being modified. and only mark as red removed and green added.

What do you see instead?

rowes maintained, are being marked as green even though they arlready existed.

Additional information

_No response_