feat(client): 完成 P3 业务页联动闭环（D6/D8/D10/D11）

- 待办：列表/详情 + approve/reject/return/transfer（D6）
- 报销：列表/详情 + create/submit/withdraw/pay（D8）
- 票据：列表/上传/OCR轮询/绑定/预览（D10）
- 统一：Api types + 错误映射 + react-query缓存失效（D11）

client/src/main.tsx

@@ -1,16 +1,20 @@
 import React from "react";
 import ReactDOM from "react-dom/client";
+import { QueryClientProvider } from "@tanstack/react-query";
 import { BrowserRouter } from "react-router-dom";
 import { AuthProvider } from "./auth/AuthContext";
+import { queryClient } from "./query/queryClient";
 import { AppRouter } from "./router";
 import "./index.css";
 
 ReactDOM.createRoot(document.getElementById("root")!).render(
   <React.StrictMode>
-    <BrowserRouter>
-      <AuthProvider>
-        <AppRouter />
-      </AuthProvider>
-    </BrowserRouter>
+    <QueryClientProvider client={queryClient}>
+      <BrowserRouter>
+        <AuthProvider>
+          <AppRouter />
+        </AuthProvider>
+      </BrowserRouter>
+    </QueryClientProvider>
   </React.StrictMode>,
 );