Make /fast session-scoped #14596
Description
What version of Codex CLI is running?
codex cli 114
What subscription do you have?
Pro
Which model were you using?
GPT-5.4
What platform is your computer?
WSL
What terminal emulator and version are you using (if applicable)?
Windows Terminal
What issue are you seeing?
If I set /fast it changes for all sessions.
What steps can reproduce the bug?
/fast
What is the expected behavior?
/fast affects only the current session, with config.toml controlling the default for new sessions.
Additional information
No response