DeepSeek Harness Plugin: dsh-archived-list

The `dsh-archived-list` plugin for DeepSeek Harness (DSH) addresses the lack of a web-based interface for managing historical sessions. By adding an “Archived” management entry, it enables visual browsing, restoration, and deletion of sessions. Its features include grouping session information by workspace, supporting multi-select bulk operations, providing a configuration to automatically open the conversation after restoration, and implementing permanent deletion with a secondary confirmation. Installation requires restarting the service, and the dependency package should be provided as a symbolic link to ensure the title is displayed correctly.