An open-source plugin for DeepSeek Harness. Delegate work to child sessions, collect their questions and files, then review and accept the result before the queued follow-up starts. Unofficial dev.25 prerelease for DSH 0.2.1-rc.5 and Node.js 24+, within the same Host/profile. Demo UI is Chinese; English guide and narrated video are included. AI-assisted project.