- Add an sseEnabled option to useTasks and skip SSE subscription setup when disabled
- Compute taskSseEnabled in App based on board/list views and pass it through to useTasks
- Migrate useRemoteNodeEvents from raw EventSource management to shared subscribeSse bus usage
- Update App, useTasks, and useRemoteNodeEvents tests to cover SSE gating and bus-based event wiring
- Add core proxy API infrastructure (api-node.ts) with remote node communication
- Create NodeContext for centralized node state management
- Implement useNodeProxy hook for node operations (metrics, events, health)
- Implement useRemoteNodeData hook with 10-second polling for live metrics
- Implement useRemoteNodeEvents hook for real-time SSE event subscription
- Add NodeStatusIndicator component with animated status indicators
- Add comprehensive tests for all new hooks and components
- Update dashboard styles for node status visualization
