- Add @xyflow/react dependency for graph visualization
- Create KnowledgeGraphView component with custom nodes and edges
- Extend knowledge detail hook to fetch and display graph data
- Add tabs in knowledge detail page to switch between documents and graph views
- Implement knowledge base list, create, and detail pages
- Add dialog provider and components for confirmation and alerts
- Include knowledge card and grid view components
- Enhance header with user menu and logout functionality
- Implement knowledge operations hooks for CRUD operations