feat(08-05-interaction-pattern-unification): 统一前端交互与反馈模式

client/src/pages/DelegationsPage.tsx

@@ -1,8 +1,7 @@
+import { resolveErrorMessage as resolveUserErrorMessage } from "../lib/resolveErrorMessage";
 import { useMemo, useState } from "react";
 import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
 import { toast } from "sonner";
-import { mapApiErrorMessage } from "../api/errorMessages";
-import { isApiError } from "../api/types";
 import { createDelegation, fetchMyDelegations, revokeDelegation } from "../api/delegations";
 import { fetchWorkflowApprovers } from "../api/workflow";
 import { PageHeader } from "../components/common/PageHeader";
@@ -50,7 +49,7 @@ export function DelegationsPage() {
       toast.success("委派已创建");
     },
     onError: (err) => {
-      const msg = isApiError(err) ? `${err.code}: ${mapApiErrorMessage(err.code, err.details, err.message)}` : err instanceof Error ? err.message : "创建委派失败";
+      const msg = resolveUserErrorMessage(err, "创建委派失败");
       setError(msg);
       toast.error(msg);
     },
@@ -64,7 +63,7 @@ export function DelegationsPage() {
       toast.success("已撤销");
     },
     onError: (err) => {
-      const msg = isApiError(err) ? `${err.code}: ${mapApiErrorMessage(err.code, err.details, err.message)}` : err instanceof Error ? err.message : "撤销委派失败";
+      const msg = resolveUserErrorMessage(err, "撤销委派失败");
       setError(msg);
       toast.error(msg);
     },
@@ -161,13 +160,7 @@ export function DelegationsPage() {
         {listQuery.isLoading ? <TableSkeleton columns={5} rows={3} /> : null}
         {listQuery.isError ? (
           <p className="text-sm text-red-600">
-            {isApiError(listQuery.error)
-              ? `${listQuery.error.code}: ${mapApiErrorMessage(
-                listQuery.error.code,
-                listQuery.error.details,
-                listQuery.error.message,
-              )}`
-              : "加载委派列表失败"}
+            {resolveUserErrorMessage(listQuery.error, "加载委派列表失败")}
           </p>
         ) : null}
 
@@ -259,4 +252,3 @@ export function DelegationsPage() {
     </div>
   );
 }
-