- Implemented two-level admin hierarchy (super admin from .env and assigned admins)
- Only super admins (from ADMIN_IDS in .env) can manage admin assignments
- Added admin management menu to settings (visible only for super admins)
- Admins can add/remove other admins through the bot interface
- Protected super admins from deletion
- Added CLI tool for admin management (scripts/manage_admins.py)
- Added database check script (scripts/check_db.py)
- Added deployment scripts for server setup
- Added comprehensive documentation on admin management system
- Added backup and server deployment guides
- Add bot_control.sh script for safe bot management
- Prevent 'Conflict: terminated by other getUpdates' error
- Add Makefile commands: bot-start, bot-stop, bot-restart, bot-status, bot-logs
- Add BOT_MANAGEMENT.md with usage instructions
- Use PID file to track single bot instance
- Auto-stop all old processes before starting
- Add .bot.pid to .gitignore
Fixes issue where multiple bot instances cause command processing failures
