Codex app

New features

• Added pull request status badges in task rows and PR buttons, including draft, open, merged, and closed states.
• Added a Worktrees setting to choose how many Codex-managed worktrees to keep before older ones are cleaned up.

Performance improvements and bug fixes

• Improved scrolling and navigation in long conversations and code review, including fixes for thread jumpiness, sidebar jitter, and diff scrolling.
• Improved app startup reliability and keyboard zoom behavior.
• Additional performance improvements and bug fixes.