feat: polish UI and document phase 3/4 plan

Co-authored-by: aider (openrouter/thinkingmachines/inkling-small:free) <aider@aider.chat>

README.md

@@ -29,11 +29,21 @@ This app provides a lightweight local interface to manage Kubernetes clusters vi
 - Improve error handling and feedback
 - Session persistence for context/namespace defaults
 
-### Phase 3: Polish & Safety
-- Confirmation dialogs for destructive actions
+### Phase 3: UI Polish & Documentation
 - Better UI/UX and responsive layout
-- Optional authentication or access controls
 - Documentation and setup instructions
+- Confirmation dialogs for destructive actions
+
+### Phase 4: Error Handling & Advanced Features
+- Improved error handling and feedback
+- Possible features:
+  - Authentication / access controls
+  - Real-time updates / watch mode
+  - Multi-cluster dashboard
+  - Advanced filtering and sorting
+  - Export reports (JSON/CSV)
+  - Resource metrics / status indicators
+  - Custom kubectl plugin integration
 
 ## Roadmap / Checklist
 
@@ -44,8 +54,8 @@ This app provides a lightweight local interface to manage Kubernetes clusters vi
 - [x] Phase 2: Search pods, nodes, PVCs, and others
 - [x] Phase 2: Describe, delete, and logs actions
 - [x] Phase 2: Session persistence for context/namespace
-- [ ] Phase 3: Safety confirmations and error handling
 - [ ] Phase 3: UI polish and documentation
+- [ ] Phase 4: Error handling and advanced features
 
 ## Suggestions
 - Use a lightweight Python framework (e.g., Flask or FastAPI) for the backend