Codex app

New features

• Added a Worktrees setting to turn automatic cleanup of Codex-managed worktrees on or off.
• Added Handoff support for moving a thread between Local and Worktree.
• Added an explicit English option in the language menu.

Performance improvements and bug fixes

• Improved GitHub and pull request workflows.
• Improved approval prompts and app connection sign-in flows.
• Additional performance improvements and bug fixes.