gsxdsm
dbb310ee67
feat(FN-982): add branch selection and commit viewing to Git Manager
- Add branch commit fetching API endpoint (GET /api/git/branches/:name/commits)
- Enhance BranchesPanel with selectable branches and commit diff viewer
- Add CSS styles for branch selection list and commit detail view
- Fix relativeDate utility to handle invalid/empty date strings gracefully
- Fix interview route ordering in mission-routes
- Add loading state for branch commit diff to prevent false error flash
- Add comprehensive tests for branch selection, commit viewing, and route handling