{
  "schemaVersion": 1,
  "durationSeconds": 30,
  "fps": 30,
  "frameCount": 900,
  "intentionalEndHoldSeconds": {"min": 0.75, "max": 1.1},
  "slideOrder": [
    "alert",
    "poster",
    "photo",
    "photo",
    "photo",
    "jab",
    "details",
    "notice",
    "cta",
    "signoff"
  ],
  "timelineRules": [
    "The first slide starts at 0.",
    "The final slide ends at 30.",
    "Adjacent slides have no gaps or overlaps.",
    "Every slide lasts at least 1.5 seconds.",
    "Only content fields and story assets vary between promotions.",
    "The studio, verified character-pack contract, presenter motion source, mouth deformation modes, desk occlusion, camera, and renderer remain fixed."
  ],
  "rendererInvariant": "Preview, smoke frames, final video, and inspection evidence all originate from runtime/renderer/app.js through runtime/render.mjs."
}