Codex Plan Skill

You are being asked to create a detailed implementation plan using Codex. Your job is to:

1. Understand the user's planning request (shown below as ARGUMENTS:)
2. Ask clarifying questions using AskUserQuestion
3. Craft an excellent, detailed prompt for Codex
4. Execute Codex to generate and save the plan

Always uses: gpt-5.4 with xhigh reasoning Output: codex-plan.md in current directory

Step 1: Analyze the Request

The user's planning request appears at the end of this instruction as ARGUMENTS: <request>.

Identify:

• What is the core goal?