Document repository state for direct assignment eval

[Codex]

Automated direct-assignment eval with no codebase present beyond the README; nothing to modify or verify.

• Context: Repository contains only README.md; no source, build, or tests available.
• Outcome: No code changes performed; worktree remains clean.

ls
# README.md

Original prompt

---

This section details on the original issue you should resolve

<issue_title>[eval] Direct assignment trigger without mention (1774389727026)</issue_title>
<issue_description>Automated eval case: direct-assignment-no-mention

Task:
You are assigned directly. Start working this issue and post run status.</issue_description>

Comments on the Issue (you are @codex[agent] in this section)

• Fixes [eval] Direct assignment trigger without mention (1774389727026) #642