# Notices and attribution

`dsh-arc-context` is derived from the MIT-licensed
[`billion-context-dsh`](https://github.com/Tyan66666/billion-context-dsh)
DeepSeek Harness adapter and retains its copyright notice.

The reversible ACP layer builds on these MIT-licensed upstream projects:

- [`billion-context-pi`](https://github.com/ranxianglei/billion-context-pi)
- [`acp-kernel`](https://github.com/ranxianglei/acp-kernel)
- [`opencode-acp`](https://github.com/ranxianglei/opencode-acp)

DeepSeek Harness and its `@deepseek-ai/*` packages are provided by
[DeepSeek AI](https://github.com/deepseek-ai/deepseek-harness) under their
respective licenses. No upstream project endorses this derivative.

The research fixtures in `research/fixtures/` are synthetic and generated for
this project. Provider-returned usage fields are reproduced in the condensed
JSON result files; no API credentials are included.