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https://github.com/deepseek-ai/deepseek-harness
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9ee22bc6f6
Codex's converge pass found a quiescence-contract violation: a whenIdle() waiter registered for prompt A, then cancel() clears A, then prompt B is queued BEFORE the loop resumes from the idle wait. The window-1 cancel branch called settleIdle() UNCONDITIONALLY, resolving the waiter while B was still queued-and-unrun — whenIdle() resolved with zero events, then B ran afterward. Fix: in window 1, only settleIdle() + re-park when NO new work is queued. If a send() raced in after the cancel, the marker was for the cancelled work only — clear it and fall through to run the new prompt's turn, letting THAT turn's running→idle settle the waiter (so whenIdle() waits for B to actually run). Adds a regression test reproducing the exact interleaving (send A → whenIdle → cancel → send B): whenIdle() now resolves only after B's turn ran (B's user message + a turn/end in the log), and A was dropped.
DeepSeek Harness
Monorepo for the DeepSeek Harness group.
Projects
- DeepSeek Code — DeepSeek's coding agent product.
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 # runnable echo-agent example (no API key needed)
pnpm run demo:coding # the real DeepSeek coding agent (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 before package work. Local context lives in packages/ and vendor/.
For agents, follow AGENTS.md.