perf(frontend): 去除 optimizeDeps 中冗余的 Element Plus 组件 style 预加载

- 移除 79 行 Element Plus 各组件 style/index 显式声明
- ElementPlusResolver({ importStyle: sass }) 已按需引入
- eCharts 分拆导入改为统一导入

frontend/vite.config.ts

@@ -105,102 +105,12 @@ export default defineConfig(({ mode }: ConfigEnv): UserConfig => {
         "default-passive-events",
         "exceljs",
         "path-to-regexp",
-        "echarts/core",
-        "echarts/renderers",
-        "echarts/charts",
-        "echarts/components",
+        "echarts",
         "vue-i18n",
         "nprogress",
         "qs",
         "path-browserify",
         "@element-plus/icons-vue",
-        "element-plus/es",
-        "element-plus/es/locale/lang/en",
-        "element-plus/es/locale/lang/zh-cn",
-        "element-plus/es/components/alert/style/index",
-        "element-plus/es/components/avatar/style/index",
-        "element-plus/es/components/backtop/style/index",
-        "element-plus/es/components/badge/style/index",
-        "element-plus/es/components/base/style/index",
-        "element-plus/es/components/breadcrumb-item/style/index",
-        "element-plus/es/components/breadcrumb/style/index",
-        "element-plus/es/components/button/style/index",
-        "element-plus/es/components/card/style/index",
-        "element-plus/es/components/cascader/style/index",
-        "element-plus/es/components/checkbox-group/style/index",
-        "element-plus/es/components/checkbox/style/index",
-        "element-plus/es/components/col/style/index",
-        "element-plus/es/components/color-picker/style/index",
-        "element-plus/es/components/config-provider/style/index",
-        "element-plus/es/components/date-picker/style/index",
-        "element-plus/es/components/descriptions-item/style/index",
-        "element-plus/es/components/descriptions/style/index",
-        "element-plus/es/components/dialog/style/index",
-        "element-plus/es/components/divider/style/index",
-        "element-plus/es/components/drawer/style/index",
-        "element-plus/es/components/dropdown-item/style/index",
-        "element-plus/es/components/dropdown-menu/style/index",
-        "element-plus/es/components/dropdown/style/index",
-        "element-plus/es/components/empty/style/index",
-        "element-plus/es/components/form-item/style/index",
-        "element-plus/es/components/form/style/index",
-        "element-plus/es/components/icon/style/index",
-        "element-plus/es/components/image-viewer/style/index",
-        "element-plus/es/components/image/style/index",
-        "element-plus/es/components/input-number/style/index",
-        "element-plus/es/components/input-tag/style/index",
-        "element-plus/es/components/input/style/index",
-        "element-plus/es/components/link/style/index",
-        "element-plus/es/components/loading/style/index",
-        "element-plus/es/components/menu-item/style/index",
-        "element-plus/es/components/menu/style/index",
-        "element-plus/es/components/message-box/style/index",
-        "element-plus/es/components/message/style/index",
-        "element-plus/es/components/notification/style/index",
-        "element-plus/es/components/option/style/index",
-        "element-plus/es/components/pagination/style/index",
-        "element-plus/es/components/popover/style/index",
-        "element-plus/es/components/progress/style/index",
-        "element-plus/es/components/radio-button/style/index",
-        "element-plus/es/components/radio-group/style/index",
-        "element-plus/es/components/radio/style/index",
-        "element-plus/es/components/row/style/index",
-        "element-plus/es/components/scrollbar/style/index",
-        "element-plus/es/components/select/style/index",
-        "element-plus/es/components/skeleton-item/style/index",
-        "element-plus/es/components/skeleton/style/index",
-        "element-plus/es/components/step/style/index",
-        "element-plus/es/components/steps/style/index",
-        "element-plus/es/components/sub-menu/style/index",
-        "element-plus/es/components/switch/style/index",
-        "element-plus/es/components/tab-pane/style/index",
-        "element-plus/es/components/table-column/style/index",
-        "element-plus/es/components/table/style/index",
-        "element-plus/es/components/tabs/style/index",
-        "element-plus/es/components/tag/style/index",
-        "element-plus/es/components/text/style/index",
-        "element-plus/es/components/time-picker/style/index",
-        "element-plus/es/components/time-select/style/index",
-        "element-plus/es/components/timeline-item/style/index",
-        "element-plus/es/components/timeline/style/index",
-        "element-plus/es/components/tooltip/style/index",
-        "element-plus/es/components/tree-select/style/index",
-        "element-plus/es/components/tree/style/index",
-        "element-plus/es/components/upload/style/index",
-        "element-plus/es/components/watermark/style/index",
-        "element-plus/es/components/tour/style/index",
-        "element-plus/es/components/tour-step/style/index",
-        "element-plus/es/components/popconfirm/style/index",
-        "element-plus/es/components/container/style/index",
-        "element-plus/es/components/main/style/index",
-        "element-plus/es/components/aside/style/index",
-        "element-plus/es/components/footer/style/index",
-        "element-plus/es/components/header/style/index",
-        "element-plus/es/components/slider/style/index",
-        "element-plus/es/components/button-group/style/index",
-        "element-plus/es/components/result/style/index",
-        "element-plus/es/components/checkbox-button/style/index",
-        "element-plus/es/components/space/style/index",
       ],
     },
     // 构建配置