dsh-session-sweeper: Local AI Session Cleanup Tool

`dsh-session-sweeper` is a DeepSeek Harness plugin for securely scanning, viewing, and cleaning local terminal session files in a web interface. The plugin supports viewing session details, secure recycling (with a SHA-256 manifest), one-click restoration, and hard deletion (requiring `DELETE` confirmation). By default, it reads sessions from a specific directory and follows an isolation-first strategy, touching only session files and never modifying configurations or credentials. It is well suited for managing local history records generated by tools such as Claude Code and Codex.