Tianyi Cui
280233ba78
The cross-seam blocker: structured_output recorded its value in the tool BODY, before tools/post-execute could block the call — a PostToolUse hook's block turned the logged result into isError while readResult still returned structured success and the continuation veto ended the turn. Two-phase commit: the body validates and STAGES (RunState.pending); a fourth runtime listener on tools/post-execute — prepend, so await next() returns the composed final decision — promotes the stage to captured only on an accepted call, and clears it on every path. A block now yields a consistent pair: the model and log see the isError feedback, the run settles error with no structured value, and the turn continues so the model can react. Regressions: block denies the capture end-to-end; accept-with-replacement still commits.
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.