Tianyi Cui
a0d8f33b29
Codex review findings on the pinned-header change: 1. scrubRequestHeaders flattened a request/header-delta's whole system/tools payload to one token, so two meaningfully different deltas compared equal. Now the structural facts survive — keepStart/keepEnd line positions, added/removed/changed tool NAMES — and only the bulk (inserted prompt lines, schema bodies) is tokenized. 2. The one-pin design rested on an unasserted premise (all sessions compose the same header). Every non-pinning scenario now asserts, live, that each request/header its run produces equals the pinned fixture's header (both sides normalized against their own volatile values), so a session-dependent header fails loud until it gets its own pin. Verified the guard bites: perturbing the pinned fixture's prompt fails a non-pinned scenario with the intended message. 3. RFC de-slopped per docs/AGENTS.md: no PR reference, no SHOULD spec-speak; Decision/Verification/Consequences updated for 1 and 2.
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.