- Inline keyboard: view original / back to summary toggle per message
- SMTP config per account for sending replies
- Reply button: click, type message, auto-send via SMTP
- AI Reply button: generates 3 suggestions via DeepSeek
- Simple replies (OK, Got it) send immediately on tap
- Substantive replies require confirm before send
- Hides AI Reply button when AI determines reply unnecessary
- Telegram long polling integrated into main loop for real-time interaction
