Merge brings FN-3067 UX revisions across onboarding components, including reduced ModelOnboardingModal complexity, new fallback styling for PluginSlot, and polish to OnboardingDisclosure, OnboardingResumeCard, and PostOnboardingRecommendations with minor updates to PlanningModeModal and SettingsModa
Fusion-Task-Id: FN-3067
- Add plugin dashboard view registration and hosting across core, dashboard routes, and plugin SDK exports
- Integrate plugin-provided views into app navigation, mobile/header UI, and view state hooks with coverage
- Add fusion-plugin-dependency-graph example plugin with persisted storage, dashboard view UI, and manifest wiring
- Update plugin authoring and architecture docs for dashboard view extension points
- Add a changeset for @runfusion/fusion covering plugin dashboard view support
Fusion-Task-Id: FN-3079
