Tianyi Cui
65d644b161
The dev-mode cross-check on llm/stream: a frozen request with a live sessionId (the loop-built marker; hand-built one-shots stay unfrozen and skipped) must carry messages deep-equal to the derivation over the log prefix strictly before the in-flight step's step/start, and header fields equal to the fold of the log's request/header* events. The messages side rebuilds through a FRESH Session over the boundary prefix — same projection code, zero shared state — so the live cache cannot vouch for itself, and the seq-bounded rebuild is boundary- correct: content appended after step/start (an agent/request-window inject) legitimately belongs to the next request and cannot false-fire the check. prepend:true only defends against the replay adapter's short-circuit (append-registered); correctness never rests on listener ordering. There is no divergence-allowance caveat: nothing can shape request content outside the log.
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.