{
  "captions": true,
  "voice": "af_nova",
  "music_url": "https://4ort.live/v1/mtv/video/f93316e760cf?download=1",
  "scenes": [
    {
      "id": "s1",
      "narration": "Five seconds in. The diaphragm descends. Vagal tone rises through the thoracic cavity like water filling a dry basin. This is not meditation; it is mechanics."
    },
    {
      "id": "s2",
      "narration": "The apex. Heart rate variability peaks. Pre-frontal cortex and amygdala synchronize. For ten seconds, the nervous system holds a single frequency."
    },
    {
      "id": "s3",
      "narration": "Five seconds out. The exhalation releases tension. The system resets. Repeat. The river does not rush; it flows in rhythms older than code."
    }
  ]
}