移除账号启用状态统一使用归档

apps/admin/src/pages/Teachers/index.tsx

@@ -12,7 +12,6 @@ interface TeacherRow {
   id: number;
   username: string;
   name: string;
-  isActive: boolean;
   profile: { subjects?: string[]; joinedAt?: string; qualifications?: string } | null;
   lastLoginAt: string;
   roles: { code: string; name: string }[];
@@ -175,13 +174,6 @@ const TeachersPage: React.FC = () => {
           </EditableCell>
         ),
       },
-      {
-        title: '状态',
-        dataIndex: 'isActive',
-        key: 'status',
-        width: 90,
-        render: (v: boolean) => <Tag color={v ? 'green' : 'red'}>{v ? '在职' : '停用'}</Tag>,
-      },
       {
         title: '最后登录',
         dataIndex: 'lastLoginAt',