后台看板增加时段显示和新增用户数量

后台 Dashboard 日期控件改为起始日期和终止日期

新增本时段筛选并扩展前后端 Dashboard 查询契约

新增新增用户数指标，按 profile_dashboard_state.created_at 统计当前时间窗注册账号

补充后台看板测试和运营看板文档口径

apps/admin-web/src/api/adminApiClient.ts

@@ -441,6 +441,8 @@ function buildDashboardQuery(query: AdminDashboardQuery) {
   const params = new URLSearchParams();
   appendQueryParam(params, 'granularity', query.granularity);
   appendQueryParam(params, 'anchor', query.anchor);
+  appendQueryParam(params, 'startDate', query.startDate);
+  appendQueryParam(params, 'endDate', query.endDate);
   const queryString = params.toString();
   return queryString ? `?${queryString}` : '';
 }

apps/admin-web/src/api/adminApiTypes.ts

@@ -54,11 +54,13 @@ export interface AdminOverviewResponse {
   database: AdminDatabaseOverviewPayload;
 }
 
-export type AdminDashboardGranularity = 'day' | 'week' | 'month';
+export type AdminDashboardGranularity = 'day' | 'week' | 'month' | 'period';
 
 export interface AdminDashboardQuery {
   granularity?: AdminDashboardGranularity;
   anchor?: string;
+  startDate?: string;
+  endDate?: string;
 }
 
 export interface AdminDashboardResponse {
@@ -82,6 +84,7 @@ export interface AdminDashboardMetricsPayload {
   generatedAssets: number;
   consumedMudPoints: number;
   totalRegisteredUsers: number;
+  newRegisteredUsers: number;
   visitUsers: number;
   totalVisitUsers: number;
   visitCount: number;