fix: merge后14个测试修复+前端TS编译修复 - 895/895通过+前端零错误

frontend/src/pages/TicketDetailPage.tsx

@@ -198,15 +198,13 @@ export default function TicketDetailPage() {
   /*  Permission checks                                                 */
   /* ---------------------------------------------------------------- */
 
-  const { isAdminOrDba, isApplicant, canApprove, canExecute, canRollback, canCancel } = useMemo(() => {
+  const { canApprove, canExecute, canRollback, canCancel } = useMemo(() => {
     if (!ticket) {
-      return { isAdminOrDba: false, isApplicant: false, canApprove: false, canExecute: false, canRollback: false, canCancel: false };
+      return { canApprove: false, canExecute: false, canRollback: false, canCancel: false };
     }
     const adminOrDba = auth.user.role === 'admin' || auth.user.role === 'dba';
     const applicant = ticket.applicant_id === auth.user.id;
     return {
-      isAdminOrDba: adminOrDba,
-      isApplicant: applicant,
       canApprove: adminOrDba && (ticket.status === 'pending' || ticket.status === 'reviewing'),
       canExecute: adminOrDba && ticket.status === 'approved',
       canRollback: adminOrDba && (ticket.status === 'success' || ticket.status === 'failed'),