Broken chats keeps reappearing under Recent and/or 404 errors

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

26.818.61809

What subscription do you have?

Plus

What platform is your computer?

macOS, Apple Silicon

What issue are you seeing?

Broken chats keeps reappearing under Recent 1–2 seconds after I delete or archive them. Opening the chat returns am error: "Kan dit ChatGPT-gesprek niet laden" or "Request failed with status 404", and every action inside it fails. The chats are not present on chatgpt.com or under Archived chats. I cannot create a share link or submit feedback from the affected chat.

What steps can reproduce the bug?

Affected chat title: Verschillen recente items (the 404 error)
Affected chat title: Cd importeren Windows 11 (Kan dit ChatGPT-gesprek niet laden AND De chat kan niet worden verwijderd)
Last known working date/time: unknow
Desktop app version: 26.818.61809
Platform: macOS, Apple Silicon

no-active-thread-01a03cd3-ded0-7742-8b02-d46b9429ed47

What is the expected behavior?

No response

Additional information

No response

Start by reproducing the issue in Codex App 26.818.61809 on macOS Apple Silicon using the affected chats “Verschillen recente items” and “Cd importeren Windows 11.” Check whether the chats reappear in Recent after deletion or archiving and whether opening them returns a 404; done means affected chats stay removed and no longer produce these errors.