refactor: enhance ticket detail workflow view

frontend/src/features/tickets/TicketTransitionDialog.tsx

@@ -1,5 +1,6 @@
 import * as React from 'react'
 
+import { AppField } from '@/components/app/AppField'
 import { Button } from '@/components/ui/button'
 import {
   Dialog,
@@ -66,10 +67,7 @@ export function TicketTransitionDialog({
             <DialogTitle>{actionLabel}</DialogTitle>
             <DialogDescription>请说明本次流转的原因、处理动作或待确认事项。</DialogDescription>
           </DialogHeader>
-          <div className="grid gap-2">
-            <label className="text-sm font-medium text-foreground" htmlFor="transition-remark">
-              处理说明
-            </label>
+          <AppField label="处理说明" htmlFor="transition-remark" required>
             <Textarea
               id="transition-remark"
               required
@@ -78,7 +76,7 @@ export function TicketTransitionDialog({
               value={remark}
               onChange={(event) => setRemark(event.target.value)}
             />
-          </div>
+          </AppField>
           <DialogFooter>
             <Button type="button" variant="outline" onClick={() => onOpenChange(false)}>
               取消