fix: close permission review gaps

fix: harden permission-gated UI — minimum-org endpoint, modal/Popconfirm fail-closed on revocation

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

@@ -1146,9 +1146,9 @@ const AdminAttendanceArchive: React.FC<{ canEdit: boolean }> = ({ canEdit }) =>
               value={studentSearch}
               onChange={(event) => setStudentSearch(event.target.value)}
             />
-            <Button icon={<ExportOutlined />} onClick={handleExport}>
+            <PermissionButton permission="attendance:export" icon={<ExportOutlined />} onClick={handleExport}>
               导出
-            </Button>
+            </PermissionButton>
           </div>
         </header>
         <div className="student-legend">