feat: add brand asset cleanup worker and related functionality

- Implemented a new BrandAssetCleanupWorker to handle the cleanup of brand-related assets after a brand is deleted.
- Added SQL queries for cleaning up articles, keywords, questions, competitors, and monitoring data associated with a brand.
- Introduced a new API endpoint to delete publish records.
- Updated the router to include the new delete publish record endpoint.
- Added tests for the BrandAssetCleanupWorker to ensure proper functionality.
- Created migration scripts to support soft deletion of publish records and to add the brand asset cleanup scheduler job.

server/internal/shared/swagger/descriptions.go

@@ -197,7 +197,8 @@ var routeDocs = map[string]routeDoc{
 	"POST /api/tenant/tasks/:id/reconcile":         {"对账发布任务", "管理后台对发布任务做对账：状态校正、结果回填。"},
 	"POST /api/tenant/tasks/:id/cancel":            {"取消发布任务（后台）", "管理员在后台取消还未派发或还在执行的发布任务。"},
 	"GET /api/tenant/publish-tasks":                {"发布任务列表（后台）", "管理后台分页查询本 Workspace 下的发布队列与历史发送结果。"},
-	"GET /api/tenant/publish-records":              {"发布记录列表（后台）", "管理后台分页查询当前品牌的发布中记录和历史发布记录。"},
+	"GET /api/tenant/publish-records":              {"发布记录列表（后台）", "管理后台分页查询当前用户的发布中记录和历史发布记录；已删除品牌会返回删除标记。"},
+	"DELETE /api/tenant/publish-records/:id":       {"删除发布记录（后台）", "管理后台软删除当前用户发起的发布记录，并取消关联的等待发布任务。"},
 	"POST /api/tenant/publish-tasks/:id/retry":     {"重试发布任务（后台）", "管理后台对失败的发布任务重新创建一次发布任务。"},
 	"POST /api/tenant/publish-jobs":                {"批量创建发布任务", "为一批文章/账号批量生成发布任务，进入派发队列。"},
 
@@ -327,7 +328,7 @@ var routeDocs = map[string]routeDoc{
 	"POST /api/tenant/brands":                {"新建品牌", "创建一个新品牌。"},
 	"GET /api/tenant/brands/:id":             {"品牌详情", "返回品牌基础信息及统计。"},
 	"PUT /api/tenant/brands/:id":             {"更新品牌", "更新品牌名称、行业、官网等。"},
-	"DELETE /api/tenant/brands/:id":          {"删除品牌", "删除品牌及其下属关键词、问题、竞品。"},
+	"DELETE /api/tenant/brands/:id":          {"删除品牌", "标记品牌删除并由后台任务静默清理其文章、词库、竞品和采集数据；发布记录保留在用户发文总账。"},
 
 	"GET /api/tenant/brands/:id/keywords":         {"品牌关键词列表", "返回某品牌下的关键词。"},
 	"POST /api/tenant/brands/:id/keywords":        {"新增关键词", "为某品牌添加关键词。"},