Chinesezjc c8139589d2 fix(code-runtime-python): reject an oversized unframed frame before the join; cap the rejection diagnostic
The review's remaining critical: the fd-3 data handler checked the unframed
counter against the 256 MiB wire ceiling, so a single 64-256 MiB frame was
fully Buffer.concat-joined (a second copy) and only then dropped in the line
loop — the peak-memory doubling the pre-join check exists to prevent, for a
frame the parser is guaranteed to discard. The counter is now checked against
FRAME_PARSE_CAP_BYTES before the join; the regression case asserts a worker-exit
with 'protocol frame exceeded' (fail-before: reverting to the ceiling turns it
green, proving the join path). FRAME_CEILING_BYTES is removed.

The rejection-cap fix now has its regression: a completion value whose class
name is 70 MiB of Ns asserts invalid-output, not worker-exit (fail-before:
uncapping the diagnostic turns it red).

The settlement note (en + zh) updates the remaining stale bound text, and the
fd-3 protocol note (en + zh) no longer claims protocol-only exports or a
missing Python codec. Pairings re-recorded.
2026-08-31 14:53:33 +08:00
2026-08-13 13:07:24 +08:00
2026-08-30 21:19:29 +08:00
2026-08-27 17:45:31 +08:00
2026-08-27 17:45:31 +08:00

DeepSeek Harness

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DeepSeek Harness (dsh) is an open-source agent harness developed by DeepSeek AI.

It is built on an everything-is-a-plugin architecture and powered by Cordis, whose design is described in A Programming Paradigm for Spatiotemporal Composability.

Documentation: https://deepseek-harness.github.io/deepseek-harness/

Developer preview

DeepSeek Harness is in developer preview and iterating rapidly. THERE WILL BE COMPATIBILITY-BREAKING CHANGES.

Review the safety notice before running the project.

Run

Run from npm

Install Node.js, then run:

npx @deepseek-ai/dsh web

The command starts the Web UI at http://127.0.0.1:3080 by default and opens it in the default browser for a local launch. An SSH launch only prints the host URL because the SSH client or editor owns the local forwarded address. Pass --no-open to run the server without opening a browser. See Web UI guide.

Run from source

To run from a repository checkout:

git clone https://github.com/deepseek-ai/deepseek-harness.git
cd deepseek-harness
pnpm install
pnpm run build
pnpm dsh web

pnpm run build prepares the repository artifacts. pnpm dsh web uses those built artifacts without rebuilding.

Community and support

Contributing

See CONTRIBUTING.md.

Development

Start with the development guide and architecture documentation.

For agents, follow AGENTS.md.

License

MIT

Third-party dependencies and their licenses are disclosed in THIRD_PARTY_NOTICES.md.

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