feat(评论): 新增功能开关管理及评论点赞功能优化

- 在管理后台添加功能开关页面，支持控制评论点赞和文章点赞功能的开启/关闭
- 优化评论点赞功能，支持取消点赞和本地存储点赞状态
- 更新点赞UI样式，提升用户体验
- 添加相关API接口和文档说明

cwd-admin/src/api/admin.ts

@@ -123,6 +123,11 @@ export type LikeStatsResponse = {
 	items: LikeStatsItem[];
 };
 
+export type FeatureSettingsResponse = {
+	enableCommentLike: boolean;
+	enableArticleLike: boolean;
+};
+
 export async function loginAdmin(name: string, password: string): Promise<string> {
 	const res = await post<AdminLoginResponse>('/admin/login', { name, password });
 	const key = res.data.key;
@@ -289,3 +294,14 @@ export function fetchDomainList(): Promise<DomainListResponse> {
 export function fetchLikeStats(): Promise<LikeStatsResponse> {
 	return get<LikeStatsResponse>('/admin/likes/stats');
 }
+
+export function fetchFeatureSettings(): Promise<FeatureSettingsResponse> {
+	return get<FeatureSettingsResponse>('/admin/settings/features');
+}
+
+export function saveFeatureSettings(data: {
+	enableCommentLike?: boolean;
+	enableArticleLike?: boolean;
+}): Promise<{ message: string }> {
+	return put<{ message: string }>('/admin/settings/features', data);
+}