Increased "Failed to apply patch" errors

What version of Codex is running?

codex-cli 0.38.0

Which model were you using?

gpt-5 high

What platform is your computer?

Linux 6.14.0-29-generic x86_64 x86_64

What steps can reproduce the bug?

Use Codex.

<img width="392" height="139" alt="Image" src="https://github.com/user-attachments/assets/5cf49f40-7a00-4d06-b949-c9dfec1ad0e9" />

What is the expected behavior?

Apply patches faithfully. It is currently taking 3+ attempts to apply edits.

What do you see instead?

Mangled edits, and patch workarounds.

Additional information

_No response_