Reported by @fluid atlas
Bug Report: Missing GPT 5.4 Mini In Codex
`Steps to Reproduce`
After the latest update, 5.4 mini did not appear in the model switcher, but did show up as a custom model instead in preset threads.
`Expected Result`
I expected 5.4 mini to be available.
`Actual Result`
It was not in the model switcher.
`Environment`
Mac Mini M4