Codex System — Planning, Design & Complex Implementation

Codex CLI handles planning, design, and complex code implementation.

Detailed rules: .claude/rules/codex-delegation.md

Two Roles of Codex

1. Planning & Design

• Architecture design, module composition
• Implementation plan creation (step breakdown, dependency ordering)
• Trade-off evaluation, technology selection
• Code review (quality and correctness analysis)

2. Complex Implementation