docs(plan): v0.2 adds Pi subagents and scheduled-jobs board

Co-Authored-By: Claude Fable 5.1 <[email protected]>

apps/web/app/routes/console/tasks.$id.tsx

@@ -13,7 +13,6 @@ export default function DownloadTaskPage() {
     <>
       <PageHeader
         title={task.data?.name ?? "下载任务"}
-        description="下载 → 整理 → 核验的业务时间线与子任务"
         className="[&_h1]:break-all"
         actions={
           <Button asChild variant="ghost" size="sm">