{
  "schema": "design-playbook.reference.manifest/v1",
  "run_id": "fixture-screenshot",
  "captured_at": "2026-07-22T10:00:00+08:00",
  "tool": "reference-intake",
  "sources": [
    {
      "id": "src-1",
      "kind": "screenshot",
      "locator": "assets/ops-alert-list.png",
      "sha256": "0000000000000000000000000000000000000000000000000000000000000000",
      "note": "fixture placeholder hash; real runs must hash the file"
    }
  ]
}