- Add insightsEnabled and roadmapEnabled state in useAppSettings derived from project experimentalFeatures.
- Pass experimental feature visibility into Header and MobileNavBar and hide Insights/Roadmaps navigation controls unless enabled.
- Redirect users back to Board when a disabled Insights or Roadmaps view is active after settings load.
- Update Settings modal to always show labeled Insights and Roadmaps feature toggles alongside any custom experimental flags.
- Expand App, Header, MobileNavBar, and SettingsModal tests to cover gated rendering and behavior.