- Implement unread message indicators with Material-UI icons
- Add BlinkingEnvelope component with theme-compatible colors
- Create UnreadMessagesContext for managing unread states
- Integrate WebSocket message handling for real-time notifications
- Icons only appear for inactive channels/DMs, disappear when opened
- Add test functionality (double-click to mark as unread)
- Fix WebSocket URL handling for production deployment
- Unify WebSocket architecture using presence connection for all messages
- Complete chat application similar to Microsoft Teams
- Code snippet library with syntax highlighting
- Real-time messaging with WebSockets
- File upload with Office integration
- Department-based permissions
- Dark/Light theme support
- Production deployment with SSL/Reverse Proxy
- Docker containerization
- PostgreSQL database with SQLModel ORM
