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5299e43bed
The source-level JSON-serializability invariant was only a preflight: the Session constructor copied the seed array but shared every event/data object with the caller, and append() stored the caller's `data` reference verbatim. A post-create/post-append mutation could rewrite the durable log or reintroduce a non-JSON-serializable value AFTER validation, so session.events could diverge from what was validated / what a backend can persist. - ctor deep-clones each seed event after validation (not just the array). - append() stores structuredClone(data) (serializability already checked, so the clone is safe); the returned event carries the same snapshot. Regression tests: mutating the original seed / the passed append object after the call leaves session.events unchanged. Adapted the dev-freeze invariants test to assert on the logged clone (append no longer freezes the caller's input). Documented isJsonValue's exact scope (own enumerable string keys, matching JSON.stringify) and synced the README create() signature with meta.createdAt.
DeepSeek Harness
Monorepo for the DeepSeek Harness group.
Projects
- DeepSeek Code — DeepSeek's coding agent product.
Development
This monorepo is built on the Cordis framework (vendored as source under vendor/), microkernel-style: everything is a plugin.
yarn install
yarn test # vitest
yarn demo:echo # runnable echo-agent example (no API key needed)
yarn demo:coding # the real DeepSeek coding agent (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 before package work. Local context lives in packages/ and vendor/.
For agents, follow AGENTS.md.