refactor(layout): 重构应用布局结构和全局副作用处理

- 移除 AppShell 组件，将布局逻辑直接集成到各层级 layout
- 提取全局 Provider 到 AppProviders 组件统一管理
- 移除独立的 ThemeSync 和 QueryProvider 组件
- 将 AntThemeProvider 功能整合到 AppProviders
- 更新用户状态和主题相关的 prop 传递方式
- 优化管理后台菜单结构为全局常量定义
- 迁移页面私有 hooks 到对应页面目录下
- 提取通用 UI 副作用动作为全局 hooks 以减少重复代码

web/src/app/(user)/asset-library/page.tsx

@@ -5,8 +5,8 @@ import { useEffect, useState } from "react";
 import { useQuery } from "@tanstack/react-query";
 import { App, Button, Card, Drawer, Empty, Image, Input, Pagination, Spin, Tag, Typography } from "antd";
 import axios from "axios";
-import copy from "copy-to-clipboard";
 
+import { useCopyText } from "@/hooks/use-copy-text";
 import { cn } from "@/lib/utils";
 import { useAssetStore } from "@/stores/use-asset-store";
 import { fetchAssetLibrary, type AssetLibraryItem } from "@/services/api/assets";
@@ -16,6 +16,7 @@ const PAGE_SIZE = 12;
 
 export default function AssetLibraryPage() {
   const { message } = App.useApp();
+  const copyText = useCopyText();
   const [keyword, setKeyword] = useState("");
   const [selectedType, setSelectedType] = useState("");
   const [selectedTags, setSelectedTags] = useState<string[]>([]);
@@ -77,11 +78,6 @@ export default function AssetLibraryPage() {
     }
   };
 
-  const copyText = async (value: string) => {
-    copy(value);
-    message.success("已复制");
-  };
-
   if (!isReady) {
     return (
       <div className="flex h-full items-center justify-center">
@@ -164,8 +160,8 @@ export default function AssetLibraryPage() {
             </div>
             {selectedAsset.description ? <Typography.Paragraph type="secondary">{selectedAsset.description}</Typography.Paragraph> : null}
             <div className="flex flex-wrap gap-2">
-              {selectedAsset.type === "text" ? <Button type="primary" icon={<Copy className="size-4" />} onClick={() => void copyText(selectedAsset.content)}>复制文本</Button> : null}
-              {selectedAsset.type === "image" ? <Button type="primary" icon={<Copy className="size-4" />} onClick={() => void copyText(selectedAsset.url)}>复制链接</Button> : null}
+              {selectedAsset.type === "text" ? <Button type="primary" icon={<Copy className="size-4" />} onClick={() => copyText(selectedAsset.content)}>复制文本</Button> : null}
+              {selectedAsset.type === "image" ? <Button type="primary" icon={<Copy className="size-4" />} onClick={() => copyText(selectedAsset.url)}>复制链接</Button> : null}
               <Button icon={<FolderPlus className="size-4" />} onClick={() => void saveToMyAssets(selectedAsset)}>加入我的素材</Button>
             </div>
           </div>