Adds visibility resume emissions to the four managed state hooks (`useMeshState`, `useNodes`, `useProjects`, `useManagedDockerNodes`) and establishes corresponding instrumentation test coverage, with a documentation update to the diagnostics reference covering board hook telemetry.
Fusion-Task-Id: FN-5415
Fixes FN-3112: Updates NodesView CSS to use tokenized border-radius and transition values from the design system instead of hardcoded pixel values, ensuring consistency with the dashboard's established token variables.
Fusion-Task-Id: FN-3112
- Add managed Docker node API client/routes, onboarding hook, and NodesView integration with new onboarding modal UX
- Refine Add Node, mobile nav, agent/node detail, and onboarding-related component styling/interaction flows
- Expand dashboard/core/cli test coverage for onboarding flows, node routes, insights persistence, and mobile regressions
- Add CLI/plugin packaging updates including bundled dependency-graph install and plugin schema initialization support
Fusion-Task-Id: FN-3108
