- Midnight crossover: auto-close previous day session on clock-in
- Rate limiting: 2s cooldown per chat_id in both messages and callbacks
- Smart reply keyboard: single button changes to Clock In/Out based on state
- Status info on main menu shows: date, work type, working status, today's total
- Settings sub-menu with inline buttons for accent, report toggle, report time
- Accent selection inline keyboard with > indicator and back button
- Notes displayed in daily report (e.g. 'auto midnight')
- Back buttons on all sub-menus (work type, accent, settings)
- Settings button added to main menu
db123
6f6cc6f184
