{
  "research": {
    "sourceType": "website | brief",
    "brandName": "string",
    "websiteUrl": "string | null",
    "offer": "string",
    "audience": "string",
    "buyerMoments": "string[]",
    "proof": "{ text: string, sourceUrl: string | null }[]",
    "siteLanguage": "string[]",
    "visual": {
      "logoUrl": "string | null",
      "colors": "string[]",
      "notes": "string[]"
    }
  },
  "plan": {
    "version": 1,
    "angle": "one buyer pain or benefit",
    "brandPhonetic": "how the brand is sung",
    "durationSeconds": "10-300",
    "genreId": "approved genre id",
    "hook": "one line, 12 words or fewer, without the brand name",
    "verseLines": "2-10 short lines based on duration",
    "bridgeLines": "empty through 40 seconds; 1-4 lines above 40 seconds",
    "selectedEvidenceIndexes": "indexes into research.proof"
  }
}