- Remove useSteeringComments toggle from SettingsModal and task comment UI
- Unify TaskComments to always use the steering comment path
- Add Help button in Header linking to documentation
- Update SettingsModal and TaskComments tests for unified comment behavior
- Clean up obsolete dual-mode comment tests
- Remove SteeringTab component and merge steering comments into TaskComments
- Consolidate both steering comments (pinned) and regular comments in one tab
- Update TaskDetailModal to render single Comments tab instead of separate Steering/Comments tabs
- Migrate SteeringTab tests into TaskComments test suite with full coverage
- Update TaskDetailModal tests for new 6-tab layout (Definition, Activity, Agent Log, Changes, Comments, Model)
- Change default task prefix from KB to FN across all packages
- Rename branch naming pattern from kb/{id} to fusion/{id}
- Update all test assertions and fixtures to use new prefixes
- Add changeset for the breaking change
- Resolve merge conflicts in TaskCard.test.tsx touch gesture tests
