- Remove '学员待审批' and '学员管理' tabs from user management page
- Remove studentView, studentRewardAmount, studentRewardLoading states and functions
- Remove assignStudent, saveStudentRewardAmount, loadStudentRewardAmount
- Remove pending approval (同意/拒绝) actions in operations column
- Remove through/reject/unset student menu items
- Clean up UsersActions to only show '添加用户' button
- Remove student_view query params from API calls
xiezhouwei