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

client/src/pages/InvoicePoolPage.tsx

@@ -1,8 +1,8 @@
+import { resolveErrorMessage as resolveUserErrorMessage } from "../lib/resolveErrorMessage";
 import { useEffect, useRef, useState } from "react";
 import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
 import { useSearchParams } from "react-router-dom";
 import { isApiError } from "../api/types";
-import { mapApiErrorMessage } from "../api/errorMessages";
 import { fetchMyDelegations } from "../api/delegations";
 import { exportInvoicePool } from "../api/exports";
 import {
@@ -228,9 +228,7 @@ export function InvoicePoolPage() {
   // --- Helper for error handling ---
 
   const toUserError = (err: unknown, fallback: string) => {
-    return isApiError(err)
-      ? `${err.code}: ${mapApiErrorMessage(err.code, err.details, err.message)}`
-      : err instanceof Error ? err.message : fallback;
+    return resolveUserErrorMessage(err, fallback);
   };
 
   const handleError = (err: unknown, fallback: string) => {
@@ -330,7 +328,7 @@ export function InvoicePoolPage() {
     },
     onError: (err) => {
       if (isApiError(err)) {
-        setError(`${err.code}: ${mapApiErrorMessage(err.code, err.details, err.message)}`);
+        setError(resolveUserErrorMessage(err));
       } else {
         setError("预览链接获取失败");
       }