A team uses Copilot coding agent to work on issues. The repository requires a setup workflow that prepares the agent’s development environment before it makes changes. The workflow must install dependencies, avoid unnecessary write permissions, and use the special setup workflow filename expected by Copilot coding agent. Which option completes the setup correctly?

# File: .github/workflows/(Missing value 1)

name: Copilot setup steps

on:
  (Missing value 2):

permissions:
  contents: (Missing value 3)

jobs:
  setup:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install dependencies
         run: npm ci
      - name: Verify test command is available
         run: npm test -- --help