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https://github.com/deepseek-ai/deepseek-harness
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- spill-policy reserves the spill notice's byte cost inside maxInlineBytes, so the replacement (preview + notice) never exceeds the documented model-facing cap. When the notice alone fills the budget the preview is empty; when even a notice-only replacement is not smaller than the original, the inline result is kept (spilling would only add bytes). - retention TextRetainer trims an oversized single suffix chunk to the last suffixCap bytes on push, so tail/headTail retention stays bounded by suffixCap instead of retaining and re-copying the whole chunk in finish() — this is the spill preview path, which pushes the whole result as one chunk.
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: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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