Archive bug

What version of the Codex App are you using (From “About Codex” dialog)?

OpenAI.Codex_26.814.5167.0_x64

What subscription do you have?

Plus

What platform is your computer?

Microsoft Windows NT 10.0.26200.0 x64

What issue are you seeing?

<img width="975" height="232" alt="Image" src="https://github.com/user-attachments/assets/ffdb8694-fe33-4119-a93e-73464beb568a" />
<img width="188" height="55" alt="Image" src="https://github.com/user-attachments/assets/200f5dfc-1330-438f-8756-abca2691e23f" />
<img width="564" height="72" alt="Image" src="https://github.com/user-attachments/assets/e9d042e2-bd9c-4b60-827b-021f5105987a" />
When I click Archive, it says the conversation cannot be archived. After that, continuing to chat in that conversation results in a thread not found error.After restarting the app, the conversation works normally and no longer shows thread not found. However, the issue reappears after clicking Archive.

What steps can reproduce the bug?

restart app clicking Archive and chat in that conversation

What is the expected behavior?

Archive successful

Additional information

_No response_