sx v2.2.6

Changelog

• 1a2f751 Address diff review findings
• 08a4af4 Dedicated description error in BotModal
• 14fb207 Default draft sheet to Edit except saved drafts
• 9b887d4 Draft diff view and code syntax highlighting
• 5718554 Gate bot save discard on its own failure flag
• cd739ba Keep BotModal open when a save-on-close fails
• ba57c81 Let a second dismissal discard a failed bot save
• 3575103 Own diff errors; flush bot description on close
• 8662c24 Reset diff error and stale diff across retries
• a1ce41e Show an error panel when the draft diff fails
• 125c48f Show bots in the app like repositories