fix(ui): replace raw AxiosError dumps with QueryErrorState across routes

ordinis-admin-ui/src/components/lineage/CascadeConfirmDialog.tsx

@@ -1,6 +1,6 @@
 import { useEffect, useMemo, useState } from 'react'
 import { useTranslation } from 'react-i18next'
-import { Alert, Badge, Button, LoadingBlock, Modal, TextInput } from '@/ui'
+import { Alert, Badge, Button, LoadingBlock, Modal, QueryErrorState, TextInput } from '@/ui'
 import { WarningIcon, XCircleIcon } from '@phosphor-icons/react'
 import { useCascadePreview } from '@/api/queries'
 import { useCascadeCloseRecord } from '@/api/mutations'
@@ -116,9 +116,7 @@ export const CascadeConfirmDialog = ({
         {preview.isLoading && <LoadingBlock size="md" label={t('loading')} />}
 
         {preview.error && (
-          <Alert variant="error" title={t('error.failed')}>
-            {String(preview.error)}
-          </Alert>
+          <QueryErrorState error={preview.error} onRetry={() => preview.refetch()} />
         )}
 
         {plan && (
@@ -261,9 +259,9 @@ export const CascadeConfirmDialog = ({
             )}
 
             {cascadeMut.error && (
-              <Alert variant="error" title={t('error.failed')}>
-                {String(cascadeMut.error)}
-              </Alert>
+              /* Mutation error — no retry button (user triggers via Confirm
+                 again). QueryErrorState classifies 4xx/5xx code/message. */
+              <QueryErrorState error={cascadeMut.error} />
             )}
           </>
         )}