{
  "schemaVersion": 1,
  "id": "share-growth",
  "name": "Share growth and cache relation",
  "description": "A bounded share-size history grows across array and cache placement without enumerating file content.",
  "initialState": {
    "share": {
      "id": "fixture-media",
      "usedBytes": 500000000000,
      "cachePool": "cache",
      "primaryPool": "array"
    }
  },
  "timeline": [
    {"atSeconds": 86400, "action": "set-metric", "payload": {"metric": "storage.share.used_bytes", "entity": "fixture-media", "value": 700000000000}}
  ],
  "expectedOutcomes": [
    {"bySeconds": 86400, "assertion": "Growth history reports a positive 200000000000 byte change per day."},
    {"bySeconds": 86400, "assertion": "Cache/pool relation remains visible and no file names or content are returned."}
  ]
}