- Wire App.tsx to read experimentalFeatures.agentsView, hide agents view when disabled, and redirect agents taskView back to board
- Add showAgentsTab prop to Header and MobileNavBar and conditionally render agents navigation controls only when enabled
- Update App, Header, and MobileNavBar tests to cover enabled/disabled agents tab behavior and active-state interactions
- Adjust mobile and tablet regression tests to pass showAgentsTab where agents controls are expected