{
  "id": "timeline-track",
  "name": "Timeline track",
  "kind": "diagram",
  "description": "A horizontal timeline whose track fills left to right behind an accent playhead; milestones pop in (dot, mono date above, display label below) as the playhead reaches them, the last one highlighted as 'now'. A mono readout tracks progress. Edit MILESTONES for roadmaps, company history or release trains.",
  "tags": ["timeline", "roadmap", "history", "milestones", "playhead", "dates", "draw-on", "explainer"],
  "fonts": [],
  "duration": 5,
  "previewAt": 3,
  "license": "original",
  "previewLook": "duotone-broadcast"
}