fix: 修复管理端静态资源基础路径

- 统一内置品牌资源与空状态图片的 BASE_URL 解析

- 应用启动时自动归一化历史偏好里的内置资源路径

- 多个空状态组件改为复用公共资源地址工具

easyflow-ui-admin/app/src/views/ai/bots/pages/Run.vue

@@ -23,6 +23,7 @@ import { getBotDetails, getSessionList } from '#/api';
 import BotAvatar from '#/components/botAvatar/botAvatar.vue';
 import Chat from '#/components/chat/chat.vue';
 import { $t } from '#/locales';
+import { getEmptyStateImageUrl } from '#/utils/assets';
 
 const route = useRoute();
 const router = useRouter();
@@ -132,7 +133,7 @@ const updateActive = (_sessionId?: number | string) => {
           @update:active="updateActive"
         />
         <ElEmpty
-          :image="`/empty${preferences.theme.mode === 'dark' ? '-dark' : ''}.png`"
+          :image="getEmptyStateImageUrl(preferences.theme.mode)"
           v-show="sessionList.length === 0"
         />
       </div>