- Add Overview page with realtime metrics, SRv6 SID display, and TUN alert
- Add Connections page with card/table views and action menus
- Add Settings page with 4 tabs, dynamic item lists, and auto-connect toggle
- Implement HashRouter navigation and SSE live event stream integration
- Integrate Base UI-based shadcn components and Toaster notifications
- Support enableTUN flag and refactor connection table naming conventions
