jobs:
  build:
    runs-on: windows-cont  # Must match your runner's label in config.yaml
    container:
      image: mcr.microsoft.com/windows/servercore:ltsc2019
      options: --isolation=process --entrypoint cmd /c  # Force CMD as entrypoint
    env:
      ACTIONS_RUNNER_HOOK_JOB_STARTED: "echo Container started"  # Debug hook
    steps:
      - name: Ping test
        run: ping 127.0.0.1 -n 5  # Basic connectivity check