e70227d5810a94af2ec084de35c91a6ac86bcf32
The two tests that wait for two children IN FLIGHT (the pipeline no-barrier test and the dropped-promise cancellation test) inherited the engine's auto-resolved maxConcurrentAgents, which is min(16, max(1, cores - 2)) — exactly 1 on the 2-core CI runner, so the second child never started and vi.waitFor timed out. Reproduced locally under taskset -c 0,1; the full spec passes there with the helper pinning a fixed ceiling. Tests about the ceiling itself keep their explicit overrides, and the auto-resolve arm stays covered by the default-config provider tests.
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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