{
  "schemaVersion": 1,
  "id": "storage-map-heatmap",
  "name": "Storage map and temperature heatmap",
  "description": "A 40-disk storage view remains readable with explicit text states and a table alternative.",
  "initialState": {"disks": {"count": 40, "temperaturePoints": 40}},
  "timeline": [{"atSeconds": 60, "action": "set-metric", "payload": {"metric": "storage.disk.temperature", "entity": "disk-7", "value": 52}}],
  "expectedOutcomes": [
    {"bySeconds": 60, "assertion": "All 40 disk temperature points remain bounded and the elevated disk has a textual attention state."},
    {"bySeconds": 60, "assertion": "Storage map and heatmap retain table/text alternatives and drill-down links."}
  ]
}