Tianyi Cui
a246afa33a
Windows does not guarantee that an ordinary child process will continue after its parent exits. The fake ACP agent exited immediately after spawning its late-output descendant, so Windows could tear down that descendant and close the protocol stream before the delayed ACP update was written. Launch the descendant in detached mode while continuing to inherit stdout and stderr, then unref it as before. This preserves the intended regression boundary: launcher shutdown must wait for descendant-held stdio and parse the final buffered frame after the direct ACP parent exits.
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: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: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.