codex-actionでWEB検索を有効にする

codex-argsで--enable web_search_requestと設定するとWEB検索を有効にできます。

name: Question
on:
  issues:
    types: [labeled]
jobs:
  answer:
    if: github.event.label.name == 'question'
    runs-on: ubuntu-latest
    permissions:
      issues: write
    outputs:
      final_message: ${{ steps.run_codex.outputs.final-message }}
    steps:
      - name: Run Codex
        id: run_codex
        uses: openai/codex-action@v1
        with:
          openai-api-key: ${{ secrets.OPENAI_API_KEY }}
          codex-args: |
            --enable web_search_request
          prompt: ${{ github.event.issue.body }}
      - name: Answer
        if: steps.run_codex.outputs.final-message != ''
        uses: actions/github-script@v8
        env:
          CODEX_FINAL_MESSAGE: ${{ steps.run_codex.outputs.final-message }}
        with:
          github-token: ${{ github.token }}
          script: |
            await github.rest.issues.createComment({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number,
              body: process.env.CODEX_FINAL_MESSAGE,
            });

参考