feat(desktop&tenant): Enhance desktop account and task consumer presence management

- Added new fields to DesktopAccountInfo for tracking account session and task consumer online status, along with queued publish task count and oldest queued publish task timestamp.
- Updated DesktopDispatchEvent to include server time for better synchronization.
- Implemented separate presence management for task consumers, including marking presence and loading presence state.
- Enhanced DesktopAccountService to apply publish queue summaries and manage task consumer presence.
- Introduced new methods for replaying queued publish tasks in DesktopDispatchHandler.
- Updated tests to cover new presence management logic and ensure correct behavior of account session and task consumer online status.

server/internal/shared/swagger/descriptions.go

@@ -202,6 +202,16 @@ var routeDocs = map[string]routeDoc{
 	// --- Tenant：媒体 ---
 	"GET /api/tenant/media/platforms": {"媒体平台列表", "返回当前租户可用的媒体平台元数据（图标、能力开关等）。"},
 
+	// --- Tenant：企业站点发布 ---
+	"GET /api/tenant/enterprise-sites":                      {"企业站点列表", "查询当前 Workspace 已配置的企业官网/CMS 发布连接。"},
+	"POST /api/tenant/enterprise-sites":                     {"新增企业站点", "保存企业站点 CMS 连接配置和凭证，用于服务端直投文章。"},
+	"PATCH /api/tenant/enterprise-sites/:id":                {"更新企业站点", "更新指定企业站点连接配置、状态或凭证。"},
+	"DELETE /api/tenant/enterprise-sites/:id":               {"删除企业站点", "删除指定企业站点连接配置。"},
+	"POST /api/tenant/enterprise-sites/:id/ping":            {"检测企业站点连接", "调用目标 CMS 探测接口，验证站点凭证和发布能力。"},
+	"GET /api/tenant/enterprise-sites/:id/categories":       {"企业站点栏目列表", "读取已同步的企业站点栏目。"},
+	"POST /api/tenant/enterprise-sites/:id/categories/sync": {"同步企业站点栏目", "从目标 CMS 拉取栏目树并写入本地缓存。"},
+	"POST /api/tenant/enterprise-sites/:id/publish":         {"发布文章到企业站点", "将指定文章内容直投到企业站点 CMS，并回写发布记录。"},
+
 	// --- Tenant：桌面客户端 ---
 	"GET /api/tenant/desktop-client/releases/downloadable": {"可下载桌面客户端版本", "返回当前租户可下载的已启用桌面客户端版本列表。"},