feat(FN-3108): deliver docker node onboarding and node workflow updates

- 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

packages/dashboard/app/components/NodesView.css

@@ -657,4 +657,5 @@
   .nodes-view-section-title {
     font-size: calc(var(--space-md) + var(--space-xs) / 4);
   }
+
 }