Regression: Codex overwrites PR titles with “Codex-generated pull request #XXX

What issue are you seeing?

Codex is overwriting existing GitHub pull request titles and replacing them with:

“Codex-generated pull request #XXX”

What steps can reproduce the bug?

A pull request is created with a custom title

After Codex interaction, the title is overwritten

The new title becomes: “Codex-generated pull request #XXX”

What is the expected behavior?

Codex should preserve user-defined PR titles

It should not overwrite titles unless explicitly instructed

Additional information

This issue occurred in the past and was fixed
It has now resurfaced since yesterday

Breaks PR naming conventions
Disrupts team workflows and automation
Causes confusion during code review

Reproduction (best effort)
Create a PR with a custom title
Trigger Codex interaction (review / agent / PR generation flow)
Observe title being overwritten

Happens consistently
Affects All PRs