adding connection status

TODO.md

@@ -17,11 +17,11 @@
 
 ## Phase 2: Core UX Improvements
 
-### 2.1 Connection Status Management
-- [ ] Add connection state to ViewModels
-- [ ] Create UI indicator for connection status
-- [ ] Show real-time connection state changes
-- [ ] Add connection error messages
+### 2.1 Connection Status Management ✅
+- [x] Add connection state to ViewModels
+- [x] Create UI indicator for connection status
+- [x] Show real-time connection state changes
+- [x] Add connection error messages
 
 ### 2.2 User List Feature
 - [ ] Track connected users in Repository