- 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
- Remove student application section (提示和按钮) from personal settings page
- Remove student status column (学员状态) from user management table
- Remove set_student action (设为学员) from user operations dropdown
- Remove unused renderStudentStatus, handleApplyStudent, studentApplying state