{
  "environment": {
    "ELEVENLABS_API_KEY": {
      "requiredFor": ["music"],
      "secret": true,
      "purpose": "Generate one approved song with ElevenLabs Music v2."
    }
  },
  "tools": {
    "node": {
      "requiredFor": ["plan", "cover", "music", "final"]
    },
    "ffprobe": {
      "requiredFor": ["duration-inspection"],
      "optional": true
    }
  }
}