- Add discovery configuration and node metadata types in core, including exported interfaces for consumers
- Implement a NodeDiscovery service and wire it into CentralCore with lifecycle hooks and discovery helpers
- Add comprehensive unit coverage for NodeDiscovery behavior and CentralCore discovery integration
- Expose discovery REST endpoints in dashboard routes for config, node listing, and summary/health data
- Add frontend discovery API helpers and route-level tests, plus dependency updates in lockfiles
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