fix: 全部页面 confirm() 替换为 ConfirmDialog 组件 — 9个页面统一回调模式

frontend/src/pages/WorkflowPage.tsx

@@ -7,6 +7,7 @@ import {
 import { Card, CardContent } from '@/components/ui/card';
 import { workflowApi } from '@/api/workflow';
 import { userApi } from '@/api/user';
+import { ConfirmDialog } from '@/components/ConfirmDialog';
 
 /* ------------------------------------------------------------------ */
 /*  Types                                                               */
@@ -470,6 +471,7 @@ export default function WorkflowPage() {
   const [expandedId, setExpandedId] = useState<number | null>(null);
   const [previewWorkflow, setPreviewWorkflow] = useState<WorkflowDetail | null>(null);
   const [editorWorkflow, setEditorWorkflow] = useState<WorkflowDetail | null | undefined>(undefined);
+  const [deleteConfirm, setDeleteConfirm] = useState<{msg: string; onConfirm: () => void} | null>(null);
 
   const fetchWorkflows = useCallback(async () => {
     try {
@@ -506,11 +508,13 @@ export default function WorkflowPage() {
   }, []);
 
   const handleDelete = useCallback(async (id: number) => {
-    if (!confirm('确认删除该审批流程？')) return;
-    try {
-      await workflowApi.delete(id);
-      setItems((prev) => prev.filter((w) => w.id !== id));
-    } catch {}
+    setDeleteConfirm({msg: '确认删除该审批流程？', onConfirm: async () => {
+      try {
+        await workflowApi.delete(id);
+        setItems((prev) => prev.filter((w) => w.id !== id));
+      } catch {}
+    }});
+    return;
   }, []);
 
   const setDefault = useCallback(async (id: number) => {
@@ -807,6 +811,14 @@ export default function WorkflowPage() {
           onSaved={() => { setEditorWorkflow(undefined); fetchWorkflows(); }}
         />
       )}
+      <ConfirmDialog
+        open={!!deleteConfirm}
+        title={deleteConfirm?.msg || '确认操作'}
+        variant="danger"
+        confirmText="确定"
+        onConfirm={() => { deleteConfirm?.onConfirm(); }}
+        onCancel={() => setDeleteConfirm(null)}
+      />
     </div>
   );
 }