- Add OnboardingResumeCard component shown when onboarding was dismissed but not completed
- Store onboarding step state in localStorage for session persistence
- Update App.tsx to render resume card when onboarding is resumable
- Add comprehensive tests for model-onboarding-state utility functions
- Add tests for OnboardingResumeCard component and App integration
- Use onResume callback pattern for consistency with modal API
- Add core test for title summarization behavior under saturated task lane conditions
- Add engine test for heartbeat execution when task lanes are saturated
- Fix experimentalFeatures test to correctly expect merge semantics (not replacement)
- Ensure tests validate task selection and execution under concurrency limits
