feat: 新增CWD评论系统前后端代码及文档

refactor: 移除旧版评论系统代码并重构为Vue3前端

docs: 更新后端配置文档说明

fix: 修复评论提交频率限制和邮件通知逻辑

style: 格式化代码并优化样式

test: 添加Vitest测试配置

build: 更新依赖项和构建配置

chore: 清理无用文件和缓存

cwd-comments-admin/src/api/admin.ts

@@ -0,0 +1,65 @@
+import { get, post, put, del } from './http';
+
+export type AdminLoginResponse = {
+	data: {
+		key: string;
+	};
+};
+
+export type CommentItem = {
+	id: number;
+	pubDate: string;
+	author: string;
+	email: string;
+	postSlug: string;
+	url: string | null;
+	ipAddress: string | null;
+	contentText: string;
+	contentHtml: string;
+	status: string;
+};
+
+export type CommentListResponse = {
+	data: CommentItem[];
+	pagination: {
+		page: number;
+		limit: number;
+		total: number;
+	};
+};
+
+export type AdminEmailResponse = {
+	email: string | null;
+};
+
+export async function loginAdmin(name: string, password: string): Promise<string> {
+	const res = await post<AdminLoginResponse>('/admin/login', { name, password });
+	const key = res.data.key;
+	localStorage.setItem('cwd_admin_token', key);
+	return key;
+}
+
+export function logoutAdmin(): void {
+	localStorage.removeItem('cwd_admin_token');
+}
+
+export function fetchComments(page: number): Promise<CommentListResponse> {
+	return get<CommentListResponse>(`/admin/comments/list?page=${page}`);
+}
+
+export function deleteComment(id: number): Promise<{ message: string }> {
+	return del<{ message: string }>(`/admin/comments/delete?id=${id}`);
+}
+
+export function updateCommentStatus(id: number, status: string): Promise<{ message: string }> {
+	return put<{ message: string }>(`/admin/comments/status?id=${id}&status=${encodeURIComponent(status)}`);
+}
+
+export function fetchAdminEmail(): Promise<AdminEmailResponse> {
+	return get<AdminEmailResponse>('/admin/settings/email');
+}
+
+export function saveAdminEmail(email: string): Promise<{ message: string }> {
+	return put<{ message: string }>('/admin/settings/email', { email });
+}
+