DeepSeek Harness plugin: one click binds each conversation to its own isolated git worktree + branch, so parallel agents work on one repo without interference — every project's worktrees auto-managed in the sidebar workspace tree, backed by 9 git tools.
The deny-by-default governance kernel for AI agents — permissions, L0–L4 guardrails, human approvals and an immutable audit chain as an Apache-2.0, framework-neutral library. Gate LangGraph / CrewAI / n8n / Dify or plain scripts in three lines.