After "Always allow this session", the Codex adapter answers later command (or file change) approvals in that thread for the rest of the session. A turn in another runtime mode, or the thread unloading, ends it. Takes over #19598.

Co-authored-by: lovelycodemonkey <ghassemimahyad@gmail.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>