Research DeepSeek Harness after 1.0

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Timing

Post-1.0 research backlog only. Do not interrupt the current bounded-autonomy and release work.

Source

• https://github.com/deepseek-ai/deepseek-harness
• Upstream description: DeepSeek Harness: Everything is a Plugin.

Research question

Evaluate whether DeepSeek Harness contains portable ideas for Codex SDLC Harness plugin architecture, lifecycle orchestration, extension boundaries, or distribution without copying host-specific behavior wholesale.

Scope

• Compare its plugin model and composition boundaries with this repository.
• Identify concrete ideas that improve autonomy, maintainability, or user installation.
• Measure added complexity and reject ideas that duplicate Codex-native features or weaken CLI-first behavior.
• Keep any resulting implementation in a separate follow-up issue with explicit acceptance criteria.

Exit criteria

Document adopt, adapt, or reject decisions with primary-source evidence. No implementation belongs in this research issue.