feat(admin): 添加提示词批量删除和定时同步功能

- 后端新增批量删除提示词接口和实现
- 前端管理页面添加多选和批量删除功能
- 添加定时同步GitHub远程提示词源功能
- 新增系统设置中的提示词同步配置选项
- 更新文档说明新的批量操作和定时同步功能
- 添加相关的测试用例和依赖库

web/src/app/(admin)/admin/prompts/page.tsx

@@ -10,12 +10,14 @@ import type { Prompt } from "@/services/api/prompts";
 import { useAdminPrompts } from "./use-admin-prompts";
 
 export default function AdminPromptsPage() {
-  const { categories, prompts, tags, keyword, category, tag, page, pageSize, total, isLoading, isSyncing, searchPrompts, changeCategory, changeTag, changePage, changePageSize, resetFilters, refreshPrompts, syncCategory, savePrompt: saveAdminPrompt, deletePrompt } = useAdminPrompts();
+  const { categories, prompts, tags, keyword, category, tag, page, pageSize, total, isLoading, isSyncing, searchPrompts, changeCategory, changeTag, changePage, changePageSize, resetFilters, refreshPrompts, syncCategory, savePrompt: saveAdminPrompt, deletePrompt, deletePrompts } = useAdminPrompts();
   const copyText = useCopyText();
   const [form] = Form.useForm<Partial<Prompt> & { tagText?: string }>();
   const [editingPrompt, setEditingPrompt] = useState<Partial<Prompt> | null>(null);
   const [detailPrompt, setDetailPrompt] = useState<Prompt | null>(null);
   const [deletingPrompt, setDeletingPrompt] = useState<Prompt | null>(null);
+  const [selectedPromptIds, setSelectedPromptIds] = useState<string[]>([]);
+  const [isBatchDeleteOpen, setIsBatchDeleteOpen] = useState(false);
   const [isSyncOpen, setIsSyncOpen] = useState(false);
   const defaultCategory = categories[0]?.category || "";
   const categoryName = (category: string) => categories.find((item) => item.category === category)?.name || category;
@@ -32,6 +34,12 @@ export default function AdminPromptsPage() {
     setEditingPrompt(null);
   };
 
+  const batchDeletePrompts = async () => {
+    await deletePrompts(selectedPromptIds);
+    setSelectedPromptIds([]);
+    setIsBatchDeleteOpen(false);
+  };
+
   const columns: ProColumns<Prompt>[] = [
     {
       title: "封面",
@@ -96,7 +104,12 @@ export default function AdminPromptsPage() {
           cardProps={{ variant: "borderless" }}
           headerTitle={<Space><Typography.Text strong>提示词列表</Typography.Text><Tag>{total} 条</Tag></Space>}
           options={{ density: true, setting: true, reload: () => void refreshPrompts() }}
-          toolBarRender={() => [<Button key="sync" icon={<SyncOutlined />} onClick={() => setIsSyncOpen(true)}>同步</Button>, <Button key="add" type="primary" icon={<PlusOutlined />} onClick={() => setEditingPrompt({ category: defaultCategory, tags: [] })}>新增</Button>]}
+          rowSelection={{ selectedRowKeys: selectedPromptIds, onChange: (keys) => setSelectedPromptIds(keys.map(String)) }}
+          toolBarRender={() => [
+            <Button key="batch-delete" danger icon={<DeleteOutlined />} disabled={!selectedPromptIds.length} onClick={() => setIsBatchDeleteOpen(true)}>批量删除{selectedPromptIds.length ? ` ${selectedPromptIds.length}` : ""}</Button>,
+            <Button key="sync" icon={<SyncOutlined />} onClick={() => setIsSyncOpen(true)}>同步</Button>,
+            <Button key="add" type="primary" icon={<PlusOutlined />} onClick={() => setEditingPrompt({ category: defaultCategory, tags: [] })}>新增</Button>,
+          ]}
           pagination={{ current: page, pageSize, total, showSizeChanger: true, pageSizeOptions: [10, 20, 50, 100], showTotal: (value) => `共 ${value} 条`, onChange: (nextPage, nextPageSize) => nextPageSize !== pageSize ? changePageSize(nextPageSize) : changePage(nextPage) }}
         />
       </Flex>
@@ -146,6 +159,10 @@ export default function AdminPromptsPage() {
       <Modal title="删除提示词" open={Boolean(deletingPrompt)} onCancel={() => setDeletingPrompt(null)} onOk={async () => { if (!deletingPrompt) return; await deletePrompt(deletingPrompt.id); setDeletingPrompt(null); }} okText="删除" okButtonProps={{ danger: true }} cancelText="取消">
         确定删除「{deletingPrompt?.title}」吗？删除后会从当前分类中删除。
       </Modal>
+
+      <Modal title="批量删除提示词" open={isBatchDeleteOpen} onCancel={() => setIsBatchDeleteOpen(false)} onOk={() => void batchDeletePrompts()} okText="删除" okButtonProps={{ danger: true }} cancelText="取消">
+        确定删除已选中的 {selectedPromptIds.length} 条提示词吗？删除后会从当前分类中删除。
+      </Modal>
     </main>
   );
 }

web/src/app/(admin)/admin/prompts/use-admin-prompts.ts

@@ -4,7 +4,7 @@ import { useEffect, useState } from "react";
 import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
 import { App } from "antd";
 
-import { deleteAdminPrompt, fetchAdminPrompts, fetchAdminPromptCategories, saveAdminPrompt, syncAdminPromptCategory, type AdminPromptCategory } from "@/services/api/admin";
+import { deleteAdminPrompt, deleteAdminPrompts, fetchAdminPrompts, fetchAdminPromptCategories, saveAdminPrompt, syncAdminPromptCategory, type AdminPromptCategory } from "@/services/api/admin";
 import type { Prompt } from "@/services/api/prompts";
 import { useUserStore } from "@/stores/use-user-store";
 
@@ -71,6 +71,18 @@ export function useAdminPrompts() {
     },
   });
 
+  const batchDeleteMutation = useMutation({
+    mutationFn: (ids: string[]) => deleteAdminPrompts(token, ids),
+    onSuccess: async () => {
+      await queryClient.invalidateQueries({ queryKey: ["admin", "prompt-categories"] });
+      await queryClient.invalidateQueries({ queryKey: ["admin", "prompts"] });
+      message.success("提示词已批量删除");
+    },
+    onError: (error) => {
+      message.error(error instanceof Error ? error.message : "批量删除失败");
+    },
+  });
+
   useEffect(() => {
     const error = categoriesQuery.error || promptsQuery.error;
     if (!error) return;
@@ -101,7 +113,7 @@ export function useAdminPrompts() {
     page,
     pageSize,
     total: data?.total || 0,
-    isLoading: categoriesQuery.isFetching || promptsQuery.isFetching || saveMutation.isPending || deleteMutation.isPending,
+    isLoading: categoriesQuery.isFetching || promptsQuery.isFetching || saveMutation.isPending || deleteMutation.isPending || batchDeleteMutation.isPending,
     isSyncing: syncMutation.isPending,
     syncCategory: (category: string) => syncMutation.mutateAsync(category),
     searchPrompts: (value = keyword) => updateFilters({ keyword: value }),
@@ -116,5 +128,6 @@ export function useAdminPrompts() {
     },
     savePrompt: (prompt: Partial<Prompt>) => saveMutation.mutateAsync(prompt),
     deletePrompt: (id: string) => deleteMutation.mutateAsync(id),
+    deletePrompts: (ids: string[]) => batchDeleteMutation.mutateAsync(ids),
   };
 }

web/src/app/(admin)/admin/settings/page.tsx

@@ -35,7 +35,7 @@ const emptySettings: AdminSettings = {
       allowCustomChannel: true,
     },
   },
-  private: { channels: [] },
+  private: { channels: [], promptSync: { enabled: false, cron: "0 3 * * *" } },
 };
 const emptyChannel: AdminModelChannel = { protocol: "openai", name: "", baseUrl: "", apiKey: "", models: [], weight: 1, enabled: true, remark: "" };
 
@@ -62,6 +62,7 @@ export default function AdminSettingsPage() {
   const [isSaving, setIsSaving] = useState(false);
   const publicModels = Form.useWatch(["public", "modelChannel", "availableModels"], form) || [];
   const channelModels = useMemo(() => collectChannelModels(channels), [channels]);
+  const channelTableData = useMemo(() => channels.map((channel, index) => ({ ...channel, _index: index, _rowKey: `${index}-${channel.name}-${channel.baseUrl}` })), [channels]);
   const modelOptions = useMemo(() => uniqueModels([...publicModels, ...channelModels]), [publicModels, channelModels]);
   const activeMode = editorMode[activeTab];
   const activeJsonText = jsonText[activeTab];
@@ -321,13 +322,19 @@ export default function AdminSettingsPage() {
                 <Alert
                   showIcon
                   type="warning"
-                  message="当前还没有完整用户体系，所有访问到站点的用户都可以无条件使用后端渠道 API。请不要公网部署，避免私有渠道额度被他人消耗。"
+                  title="当前还没有完整用户体系，所有访问到站点的用户都可以无条件使用后端渠道 API。请不要公网部署，避免私有渠道额度被他人消耗。"
                 />
+                <Card size="small" title="提示词定时同步">
+                  <Row gutter={16} align="middle">
+                    <Col xs={24} md={8}><Form.Item name={["private", "promptSync", "enabled"]} label="开启定时同步" valuePropName="checked"><Switch /></Form.Item></Col>
+                    <Col xs={24} md={16}><Form.Item name={["private", "promptSync", "cron"]} label="Cron 表达式" extra="默认每天 03:00 同步内置 GitHub 远程提示词源"><Input placeholder="0 3 * * *" /></Form.Item></Col>
+                  </Row>
+                </Card>
                 <Button type="primary" icon={<PlusOutlined />} onClick={() => openChannelDrawer(null)}>新增渠道</Button>
                 <Table
-                  rowKey={(_, index) => String(index)}
+                  rowKey="_rowKey"
                   pagination={false}
-                  dataSource={channels}
+                  dataSource={channelTableData}
                   columns={[
                     { title: "名称", dataIndex: "name", render: (value) => value || "未命名渠道" },
                     { title: "协议", dataIndex: "protocol", width: 96, render: (value) => <Tag>{value || "openai"}</Tag> },
@@ -339,13 +346,13 @@ export default function AdminSettingsPage() {
                       key: "actions",
                       width: 220,
                       align: "right",
-                      render: (_, __, index) => (
+                      render: (_, item) => (
                         <Space size={4}>
-                          <Button size="small" onClick={() => openTestDialog(index)}>测试</Button>
-                          <Button size="small" onClick={() => openChannelDrawer(index)}>编辑</Button>
+                          <Button size="small" onClick={() => openTestDialog(item._index)}>测试</Button>
+                          <Button size="small" onClick={() => openChannelDrawer(item._index)}>编辑</Button>
                           <Button danger size="small" icon={<DeleteOutlined />} onClick={() => {
                             const nextChannels = [...channels];
-                            nextChannels.splice(index, 1);
+                            nextChannels.splice(item._index, 1);
                             void persistChannels(nextChannels);
                           }} />
                         </Space>
@@ -470,6 +477,10 @@ function normalizePublicSetting(setting: Partial<AdminSettings["public"]> = {}):
 function normalizePrivateSetting(setting: Partial<AdminSettings["private"]> = {}): AdminSettings["private"] {
   return {
     channels: (setting.channels || []).map(normalizeChannel),
+    promptSync: {
+      enabled: setting.promptSync?.enabled === true,
+      cron: setting.promptSync?.cron || "0 3 * * *",
+    },
   };
 }
 
@@ -493,7 +504,7 @@ function mergeChannelApiKeys(currentChannels: AdminModelChannel[], saved: AdminS
   }));
   return {
     public: saved.public,
-    private: { channels },
+    private: { ...saved.private, channels },
   };
 }