perf: 前端配置Element Plus按需引入，优化Axios错误拦截提示

frontend/auto-imports.d.ts

@@ -0,0 +1,10 @@
+/* eslint-disable */
+/* prettier-ignore */
+// @ts-nocheck
+// noinspection JSUnusedGlobalSymbols
+// Generated by unplugin-auto-import
+// biome-ignore lint: disable
+export {}
+declare global {
+
+}

frontend/components.d.ts

@@ -11,6 +11,27 @@ export {}
 /* prettier-ignore */
 declare module 'vue' {
   export interface GlobalComponents {
+    ElAlert: typeof import('element-plus/es')['ElAlert']
+    ElButton: typeof import('element-plus/es')['ElButton']
+    ElCarousel: typeof import('element-plus/es')['ElCarousel']
+    ElCarouselItem: typeof import('element-plus/es')['ElCarouselItem']
+    ElDialog: typeof import('element-plus/es')['ElDialog']
+    ElEmpty: typeof import('element-plus/es')['ElEmpty']
+    ElForm: typeof import('element-plus/es')['ElForm']
+    ElFormItem: typeof import('element-plus/es')['ElFormItem']
+    ElIcon: typeof import('element-plus/es')['ElIcon']
+    ElInput: typeof import('element-plus/es')['ElInput']
+    ElInputNumber: typeof import('element-plus/es')['ElInputNumber']
+    ElOption: typeof import('element-plus/es')['ElOption']
+    ElPagination: typeof import('element-plus/es')['ElPagination']
+    ElRadioButton: typeof import('element-plus/es')['ElRadioButton']
+    ElRadioGroup: typeof import('element-plus/es')['ElRadioGroup']
+    ElSelect: typeof import('element-plus/es')['ElSelect']
+    ElSwitch: typeof import('element-plus/es')['ElSwitch']
+    ElTable: typeof import('element-plus/es')['ElTable']
+    ElTableColumn: typeof import('element-plus/es')['ElTableColumn']
+    ElTag: typeof import('element-plus/es')['ElTag']
+    ElTimePicker: typeof import('element-plus/es')['ElTimePicker']
     RouterLink: typeof import('vue-router')['RouterLink']
     RouterView: typeof import('vue-router')['RouterView']
     VanButton: typeof import('vant/es')['Button']
@@ -29,4 +50,7 @@ declare module 'vue' {
     VanSwipeItem: typeof import('vant/es')['SwipeItem']
     VanTag: typeof import('vant/es')['Tag']
   }
+  export interface GlobalDirectives {
+    vLoading: typeof import('element-plus/es')['ElLoadingDirective']
+  }
 }

frontend/src/api/client.ts

@@ -1,4 +1,11 @@
 import axios, { type AxiosResponse, type InternalAxiosRequestConfig } from 'axios'
+import { ElMessage } from 'element-plus'
+
+declare module 'axios' {
+  export interface AxiosRequestConfig {
+    silent?: boolean
+  }
+}
 
 import {
   clearAuthStorage,
@@ -30,7 +37,10 @@ type RefreshState = {
   pendingRequests: RetryRequest[]
 }
 
-type RetriableRequestConfig = InternalAxiosRequestConfig & { _retry?: boolean }
+type RetriableRequestConfig = InternalAxiosRequestConfig & {
+  _retry?: boolean
+  silent?: boolean
+}
 
 const refreshStates: Record<AuthScope, RefreshState> = {
   user: {
@@ -103,6 +113,10 @@ apiClient.interceptors.response.use(
   async (error) => {
     const originalRequest = error.config as RetriableRequestConfig | undefined
     if (!originalRequest || error?.response?.status !== 401 || originalRequest._retry) {
+      if (originalRequest && !originalRequest.silent) {
+        const msg = error.response?.data?.message || error.message || '网络连接异常，请稍后重试'
+        ElMessage.error(msg)
+      }
       return Promise.reject(error)
     }
 
@@ -110,6 +124,9 @@ apiClient.interceptors.response.use(
     const scope = getRequestScope(requestUrl)
     if (isRefreshRequest(requestUrl)) {
       redirectToLogin(scope)
+      if (originalRequest && !originalRequest.silent) {
+        ElMessage.error('登录已失效，请重新登录')
+      }
       return Promise.reject(error)
     }
 
@@ -134,6 +151,9 @@ apiClient.interceptors.response.use(
     } catch (refreshError) {
       rejectPendingRequests(scope, refreshError)
       redirectToLogin(scope)
+      if (originalRequest && !originalRequest.silent) {
+        ElMessage.error('会话已过期，请重新登录')
+      }
       return Promise.reject(refreshError)
     } finally {
       state.refreshing = false

frontend/src/main.ts

@@ -1,8 +1,8 @@
-import "element-plus/dist/index.css";
+import "element-plus/theme-chalk/el-message.css";
+import "element-plus/theme-chalk/el-message-box.css";
 import "vant/lib/index.css";
 import "./styles/base.css";
 
-import ElementPlus from "element-plus";
 import { createPinia } from "pinia";
 import { createApp } from "vue";
 
@@ -14,7 +14,7 @@ import { useSessionStore } from "./stores/session";
 const app = createApp(App);
 const pinia = createPinia();
 
-app.use(pinia).use(router).use(ElementPlus);
+app.use(pinia).use(router);
 
 window.addEventListener("auth-storage-changed", () => {
   useSessionStore(pinia).syncFromStorage();

frontend/vite.config.ts

@@ -2,14 +2,19 @@ import { fileURLToPath, URL } from "node:url";
 
 import vue from "@vitejs/plugin-vue";
 import { defineConfig } from "vite";
+import AutoImport from "unplugin-auto-import/vite";
 import Components from "unplugin-vue-components/vite";
+import { ElementPlusResolver } from "unplugin-vue-components/resolvers";
 import { VantResolver } from "@vant/auto-import-resolver";
 
 export default defineConfig({
   plugins: [
     vue(),
+    AutoImport({
+      resolvers: [ElementPlusResolver()],
+    }),
     Components({
-      resolvers: [VantResolver()],
+      resolvers: [ElementPlusResolver(), VantResolver()],
     }),
   ],
   resolve: {