[
  {
    "file": "previews/Tarnax-iphone-6.9-preview.mp4",
    "width": 886,
    "height": 1920,
    "duration_seconds": 24,
    "fps": 30,
    "codec": "H.264 High Level 4.0",
    "audio": "AAC stereo 48kHz, silent",
    "poster_frame_seconds": 1,
    "footage": "Actual app UI captured in a simulator with fictitious sample data; no marketing artwork inserted."
  },
  {
    "file": "previews/Tarnax-ipad-13-preview.mp4",
    "width": 1200,
    "height": 1600,
    "duration_seconds": 24,
    "fps": 30,
    "codec": "H.264 High Level 4.0",
    "audio": "AAC stereo 48kHz, silent",
    "poster_frame_seconds": 1,
    "footage": "Actual app UI captured in a simulator with fictitious sample data; no marketing artwork inserted."
  }
]