- Removed deprecated Telegram user ID configuration from `.env.example` and added a new setting for admin Telegram user IDs. - Updated `CLAUDE.md` to reflect the current MVP status, detailing completed features and testing coverage. - Enhanced `README.md` with quick start instructions for Docker setup and clarified project status. - Revised API design documentation to include updated error handling and request/response structures. - Improved frontend documentation to outline the project structure and technologies used.