Add DeepSeek-Reasonix: a cache-first agent loop case study · ai-boost/awesome-harness-engineering@ad6ed36 · GitHub

- [cua](https://github.com/trycua/cua) — Open-source infrastructure for Computer-Use Agents: sandboxed full-desktop control across macOS, Linux, and Windows, a background-native macOS driver that operates without stealing cursor focus, plus SDKs and benchmarks. The most complete reference for building harnesses around screen-based agent loops that need real OS interaction rather than browser-only surfaces.