- Add an Org Chart view mode in AgentsView with persisted view selection, API-backed tree loading, and node selection into AgentDetailView
- Add a Chain of Command section to AgentDetailView dashboard that loads reporting paths and lets users navigate to ancestor agents
- Introduce dedicated styling for org chart cards/connectors, loading states, and chain-of-command pills with responsive behavior
- Expand AgentsView and AgentDetailView test coverage for org chart rendering, loading/empty states, and chain-of-command interactions