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https://github.com/deepseek-ai/deepseek-harness
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0d00106fa8
A subagent child's recursion depth lived only in runtime AgentOptions, so a persisted child came back from resume counted as top-level and maxDepth stopped binding after every restart. Add SessionHeader.delegationDepth, round-trip it through the JSONL and SQLite backends (SQLite schema v5), restore it on agent-loop resume, and write it when the in-process backends create a child. The seam now owns the shared depth vocabulary (delegationDepthOf): the persisted header is authoritative and monotone — runtime options may deepen it but never lower it.
DeepSeek Harness
English | 中文
The DeepSeek Harness SDK is a plugin-based SDK for building agent harnesses.
Development
This monorepo is built on the Cordis framework (vendored as source under vendor/), microkernel-style: everything is a plugin.
pnpm install
pnpm run test # vitest
pnpm run demo:echo # keyless mock-model REPL
pnpm run demo:repl # readline coding agent (needs DEEPSEEK_API_KEY)
pnpm run demo:tui # full-screen TUI coding agent (needs DEEPSEEK_API_KEY)
pnpm run demo:headless -- "task" # one-shot coding agent (needs DEEPSEEK_API_KEY)
pnpm run demo:cordis # self-referential agent demo (needs DEEPSEEK_API_KEY)
pnpm run demo:acp # ACP server agent demo (needs DEEPSEEK_API_KEY)
For humans, start with the development guide for local setup, hooks, environment variables, and quality gates, then read the architecture design and documentation graph index before package work. Local context lives in packages/ and vendor/.
For agents, follow AGENTS.md.