scratch 3

DSH plugin: project/task dual-mode workspaces. Tasks skip the workspace picker — every task conversation gets a fresh scratch directory under D:\dsh_working\<name>-<timestamp> (Codex-style), while projects keep the existing workspace flow. Ships an idempo

DSH host plugin: confines agent scratch scripts to one directory per working directory, and deletes them when each turn ends.

DSH 临时任务模式：为 DSH 增加「任务」分组——不绑定任何长期工作空间，自动在任务根目录下创建隔离的临时工作目录并开启会话，即开即用、用完即弃。Temporary task mode for DeepSeek Harness.