af9616f47d87f317d5bc07b90015b3bdaee7524c
The regression's script spun immediately after calling agent(), but the agent() continuation (which posts the child-start RPC) only runs on a microtask tick — the spin seized the worker's loop before the post, so the host never saw a child inside the waitFor window. A few await-null yields before the spin let the RPC out; the posted message needs no further worker-loop turns to reach the host, so the wedge still holds for the Cancel message the test is about.
DeepSeek Harness
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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:repl # REPL 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.
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