DeepSeek Harness' Built-in Visual Plugin Marketplace (`dsh-stream-market`)

dsh-stream-market is the visual plugin marketplace for DeepSeek Harness, supporting plugin browsing, search, one-click installation, hot switching, and full lifecycle management. Core features include 0ms instant launch, concurrent probing, settings sidebar integration, batch purge uninstall, and self-healing. Installation requires Node.js >= 18.0.0, with support for the official dsh:// protocol integration and debug mode. Plugins are licensed under the MIT License, enforce strict data masking and sandbox isolation, and are strictly prohibited from accessing host secrets.