VideoElement

{
  "id": "video_001",
  "type": "video",
  "left": 100,
  "top": 150,
  "width": 500,
  "height": 281,
  "mediaRef": "<VIDEO_MEDIA_REF_FROM_ASSIGNED_MEDIA>",
  "autoplay": false
}

Required Fields: id, type, left, top, width, height, mediaRef (generated video media ref copied exactly from the assigned media list), autoplay (boolean)

Video Sizing Rules:

• mediaRef must be copied exactly from the assigned video media list
• Default aspect ratio: 16:9 -> height = width / 1.778
• Typical video width: 400-600px (prominent on slide)
• Position video as a focal element, usually centered or in the main content area
• Leave space for a title and optional caption text