dsh-plugin-memtrace: Local Code Intelligence Graph Plugin

`dsh-plugin-memtrace` is a local code intelligence graph plugin for DeepSeek Harness that provides 27 agent skills via the Memtrace MCP. It supports structural search, impact analysis, and temporal memory, requiring no cloud indexing or code uploads, to help agents achieve deep code understanding. Once installed, agents can use the plugin to perform complex tasks such as indexing repositories or analyzing code impact scope.