- Derive engineStopped from globalPaused/enginePaused in App and pass through Board → Column → WorktreeGroup → TaskCard
- Guard isAgentActive in TaskCard with !engineStopped so the pulse animation stops when the engine is paused
- Update Board test to supply the new engineStopped prop
- Add TaskCard tests covering engineStopped=true, false, and undefined (backward compat)
- Add engineStopped to all intermediate component interfaces
- Rename npm packages from @kb/* to @hai/* and update all workspace references
- Rename CLI binary from kb to hai and config directory from .kb to .hai
- Update dashboard UI branding, titles, and references from kb to hai
- Update all test files, CI workflows, and documentation to reflect new naming
- Run comprehensive grep verification to ensure no stale kb references remain
