dsh-agent-memory: Claw Memory Persistence Plugin

dsh-agent-memory is a standalone memory persistence plugin specifically designed for Claw Agent to address context management issues. It provides each Agent with an isolated USER/MEMORY vault, diary archive, and post-turn review mechanism. By listening to session compression events, the plugin efficiently manages memory writes, supports either "free-write" or "approval-required" mode, and strictly enforces scope isolation. It is simple to install and can be enabled by restarting the service. Data is stored on the local filesystem and is retained after uninstallation.